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Docomo SIM Cards and eSIM: Detailed Guides for Tourists

As a tourist, mobile data is extremely useful for maps, translations, recommendations, and more. A Docomo eSIM or Docomo SIM card provides affordable connectivity throughout your trip. Here you get every detail of Docomo including cost, coverage, activation, top-up method, and all. Read on to choose the best connectivity option for your travel needs in Japan.

Table of Contents

I. Quick Facts about NTT Docomo

Docomo started up in 1991 and their full name is NTT Docomo – they’re one of the biggest mobile service providers in Japan.

• Name:  NTT Docomo, Inc. (abbreviation of “do communications over the mobile network”)
• Founding:  1991 (spun off from NTT)
• Headquarters:  Tokyo, Japan
• Parent company:  Nippon Telegraph and Telephone (NTT)
• Industry:  Mobile phone operator
• Customers:  Over 80 million subscribers in Japan
• Mobile phone:  2G, 3G, 4G, and 5G networks
• Home internet:  Fiber optic and 5G home router
• Home phone:  Mobile network-based phone service
• Other services:  Cloud storage, security, entertainment content
• Technology: Pioneer in mobile technologies like W-CDMA and i-mode. Actively developing 5G and 6G technologies

II. NTT Docomo Speed and Coverage in Japan

With Docomo being Japan’s largest wireless carrier, they spend quite a lot of money on infrastructure for country-wide 4G accessibility and user satisfaction. Here is an overview of their coverage map and average data speeds across different areas of Japan.

1. NTT Docomo Coverage in Japan

Here is an analysis of NTT Docomo’s coverage based on Opensignal’s October 2023 Japan Mobile Network Experience report :

• Coverage Experience : Docomo wins the Coverage Experience award outright with a score of 9.1/10. This means Opensignal users on Docomo’s network experienced excellent indoor and outdoor coverage across Japan.
• 5G Coverage : Docomo also wins 5G Coverage Experience alone, scoring 3.4/10. This indicates that when within a 5G coverage area, users could reliably remain connected to Docomo’s 5G network.
• Availability : Docomo places first for overall Availability at 99.7%. This measures the percentage of time users were able to access any available mobile network technology.
• 5G Availability : Docomo places third for 5G Availability at 6.4%, demonstrating room for expansion of its 5G network coverage footprint relative to leaders SoftBank and au.

Overall, the data shows that NTT Docomo offers industry-leading nationwide coverage across Japan for both overall and 5G networks. However, its 5G network is still expanding relative to competitors. Docomo’s network can be relied on to deliver connectivity across wide areas of the country according to Opensignal users.

2. Docomo Network Speed

Here is an analysis of NTT Docomo’s speeds based on the October 2023 report from Opensignal:

• Download Speed Experience : Docomo shares the Download Speed Experience award with au at 44.8 Mbps, down 8 Mbps from its previous outright win.
• Regional Download Speeds : Docomo wins the Download Speed Experience award outright in two regions – Chubu and Shikoku. In Shikoku specifically, Opensignal users on Docomo’s network enjoyed the fastest average regional download speeds at 52.3 Mbps.
• 5G Speed : For 5G Download Speed, Docomo ties with Rakuten Mobile for first place, with scores of 177.4-180.9 Mbps. This represents a drop of around 26.6 Mbps compared to Docomo’s previous outright win.
• Upload Speed Experience : For overall upload speeds, Docomo comes third, with a score of 6.9 per Mbps. This is a decrease of around 1 Mbps from the previous report. It trails the clear winner Rakuten Mobile substantially.

In summary, while NTT Docomo remains highly competitive for speeds in Japan, the latest report shows some declines across key metrics like overall download speeds compared to previous periods. It also lags the frontrunner Rakuten Mobile considerably for upload speeds. Docomo maintains leadership in certain regions however and jointly tops 5G download speeds.

III. NTT Docomo connectivity options for travelers coming to Japan

Here are some options for travelers to Japan through NTT Docomo:

Additional Notes:

• NTT Docomo offers its own "Japan Welcome SIM" and "Japan Welcome SIM & Wi-Fi" specifically for travelers, with various plans and durations.
• Consider your expected data usage, travel length, budget, and phone compatibility when choosing an option.
• Check with your home carrier for specific roaming charges and limitations.

IV. Best Docomo SIM Card for Tourists and Cost

While NTT Docomo does not offer prepaid SIMs directly , several carriers operate on its network, providing tourist data-only SIM options like Sakura Mobile, bMobile, IlJmio, and eConnect Japan.

These prepaid NTT Docomo MVNO SIM cards provide affordable short-term 4G LTE connectivity in Japan, though usage is limited to the purchase country and period. Retail prices may vary slightly between vendors.

V. Does Japan NTT Docomo support SIM?

Yes , Docomo started allowing eSIMs in 2020 for some iPhones and Android phones that support them. An eSIM lets you set up a cell phone plan in a digital way without putting in a plastic SIM card.

• bMobile offers an eSIM package made just for visitors to Japan. It has the same price as the prepaid SIM cards mentioned above.
• Sakura Mobile provides eSIMs for tourists coming to Japan. Their eSIM plans are identical to their prepaid SIM card plans.

eSIM is more convenient since you don’t need to bring a SIM card to Japan or visit a store to swap cards. You can purchase and activate an eSIM from NTT Docomo entirely online before your trip begins.

VI. Where To Buy a Docomo SIM Cards and eSIM?

There are several options available for purchasing a Docomo SIM card or eSIM if you need mobile data during a visit to Japan.

1. Where to Buy Docomo SIM card for Japan

You can buy Docomo prepaid voice & data SIM cards at the following locations across Japan:

• Airport: Docomo stores at the arrival areas of both Narita Airport and Haneda Airport sell their tourist SIM cards.
• BIC Camera / Yodobashi Camera Stores: Two leading electronic retail chains that offer Docomo SIM cards at outlets across Japan.
• Docomo Shops: Official Docomo postpaid and prepaid SIM cards available at their stores in Tokyo, Osaka, Kyoto, and other major tourist cities.
• Don Quijote Stores: Shopping chain with over 160 stores across Japan selling Docomo prepaid SIMs.
• Online: Rakuten Global Market, Amazon Japan, Japan Experience, and other websites ship Docomo visitor SIM cards worldwide.

Note: If you need to change the physical size of your SIM card during your trip, most providers will charge a handling fee for the alteration. The exact fee varies between carriers, so it's important to check individual policies.

2. Where to Buy Japan Docomo eSIM

Several options exist for acquiring an NTT Docomo Japan eSIM, including:

• Official Website : Visit the bMobile website or Sakura Mobile website where you can purchase an eSIM for the NTT Docomo network.
• eSIM Provider : Purchase from an online eSIM retailer like esimjapan.net . They offer various data plans and can email you the eSIM for activation right from your phone.

Recommended Approach : For convenience, use an eSIM from an eSIM provider. They allow you to quickly purchase no need for proof and activate the eSIM online just before your trip to Japan. This ensures you have cellular data set up right when you land.

VII. How to Activate NTT Docomo Japan eSIM/SIM

Whether you purchased a physical SIM or eSIM plan from NTT Docomo, below are the activation instructions you’ll need to get connected while visiting Japan.

1. How to Use NTT Docomo Japan SIM Card

Activating your Docomo SIM is simple. Just follow these steps:

• Insert SIM . Remove your phone’s SIM slot and insert the NTT Docomo SIM card.
• Power your device . Allow it to detect the new Docomo SIM.
• Complete the SIM activation by following any on-screen instructions or using the provided activation method.
• Configure APN settings . Head to your phone’s mobile network settings and configure the APN (access point name) using the details provided with your SIM kit.
• Test connectivity . Make a test call or use some data to verify your services have been properly set up.

Following activation, credit and data can be added effortlessly through the NTT Docomo site or app anytime. Everything functions smoothly.

2. How to Activate Japan NTT Docomo eSIM

Follow these simple steps to get started with your Docomo eSIM:

• Download and install the eSIM profile from the provided QR code or link.
• Open the eSIM activation menu on your device and follow the prompts.
• Configure Network Settings . Go to your cellular network settings and select the NTT Docomo eSIM.
• Test Connectivity . Send a test message, make a call, or browse online to verify your connection.

Once activated, you can immediately begin using services like messaging, calls, and data on NTT Docomo’s cellular network. The eSIM activation workflow is swift and straightforward, allowing you to get connected to the local network even before you arrive in Japan. You’ll be all set up and ready to go for your trip at your convenience from anywhere.

Activation instructions for common devices:

• iPhones : Go to Settings > Cellular Data > Add Cellular Plan
• Samsung : Go to Connections > SIM Card Manager > Add Embedded SIM Profile
• Google Pixels : Go to Settings > Network & internet > SIM cards > Add an eSIM

VIII. Japan NTT Docomo Call and SMS Rates

While MVNOs provide flexible short-term options, you may still want a traditional long-term contract if visiting Japan for an extended period. Once activated, your Docomo SIM Card lets you make calls and send texts in Japan at the following rates:

Note: SMS is limited to 160 characters per message in Japanese (70 characters in English).

IX. How to Top-up Docomo SIM Card/eSIM

Topping up your prepaid SIM card for more data is easy once you know the basic process, which can differ a bit depending on your Mobile Virtual Network Operator (MVNO) on the Docomo network in Japan.

• Online Portal : Most MVNOs offer an online portal where you can log in and purchase additional data. You’ll need a Japanese credit card or bank account linked to complete the transaction.
• Convenience Store Cards : Top-up data cards are widely available at convenience stores across Japan. Simply purchase a card with the desired amount, then enter the card’s code on your MVNO’s website or app.
• Automated Phone Service : Some MVNOs provide an automated phone service for topping up data. You would call a dedicated number and follow the voice prompts to add funds over the phone.

Check your carrier’s website or contact support for the exact top up process, as steps may vary. Prepaid SIMs often have data limits per purchase and expiration dates. Top up only the estimated amount needed to avoid waste.

X. Alternatives to NTT Docomo in Japan

1. sim cards by other mvnos:, 2. esimjapan.net.

Are you planning a trip to Japan and want to avoid the hassle of swapping SIM cards or paying expensive roaming fees? Look no further than esimjapan.net . With eSIMs, you can access a Japanese data plan directly on your smartphone without needing a physical SIM card.

esimjapan.net offers many benefits. Unlike physical SIM cards, eSIM activation is entirely digital. Once you purchase your eSIM profile, you’ll receive an email with a QR code that you can scan using your phone’s camera, and the eSIM will automatically provision on your device.

Detailed setup guides are provided in multiple languages to ensure smooth installation of the eSIM on any compatible device . And if you have any activation issues, customer support is available 24/7 via live chat, email, and WhatsApp.

You won’t need to wait in line to register for a SIM slot – just open the email and you’re connected!

XI. FAQs about Docomo

Are docomo sim cards able to connect in rural or less populated areas of japan.

With over 99% population coverage, Docomo has excellent rural coverage across Japan’s countryside and remote islands. You can stay confidently connected even off the beaten path.

Can I use Docomo SIM in my locked phone?

If your phone is locked to a specific carrier, it will not work with a SIM card from a different carrier. This means if your phone is locked and you try to use a Docomo SIM card, it will not work unless the phone is locked to Docomo.

Do I need to register Docomo SIM card with my ID?

Yes, when registering a Docomo SIM card, you are required to provide a document verifying your identity. This could be a driver’s license, student ID card, or other forms of identification

Can I make international calls with Docomo SIM card?

Yes, you can place international calls with Docomo prepaid SIM cards at rates starting from 100 yen/minute. Easier to use VoIP apps for cheap calling.

XII. Final Words

We hope this detailed guide has provided you with all the necessary information to make the right decision for your connectivity needs in Japan. Docomo SIM cards offer reliable coverage, speeds, and good prepaid plans for travelers exploring Japan. Buy the Docomo prepaid plan that best matches your data usage, trip duration, and budget needs for smooth connectivity throughout your visit. Enjoy your travels in Japan!

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What’s the best tourist SIM card for Japan (2024 guide)

By: Author Kris

Posted on Last updated: January 22, 2024

If you’re headed to Japan and want to stay connected while exploring, we’ve got you covered with the top tourist SIM cards. No need to worry about losing touch with your loved ones or missing out on those Insta-worthy moments.

We’ve spent a lot of time in Japan and traveled all over the country. The first trips we would very often come across a “Handy” phone in our hotel room – a phone we could use throughout our stay. But those days are long gone now.

Nowadays, if you want to stay connected, you better have a local SIM card if you don’t want to rely on public hotspots. And trust me, from experience, we can assure you that a local SIM card is still highly recommended.

There are several spots offering free internet, mainly in the larger cities, and handy apps to connect to WiFi hotspots for free. We share more information on this app in this article. Still, there are still plenty of places that require a data subscription for internet usage.

Whether you prefer the convenience of ordering physical SIMs online and picking them up at the airport or exploring the innovative world of eSIMs, there are numerous ways to ensure you stay connected on your journey.

Keep scrolling for the best options!

This post contains affiliate links. If you click one of them, we may receive a small commission (for which we are deeply grateful) at no extra cost to you.

In a hurry? Our picks for the best Japanese SIM cards

Here are our top picks :

• Mobal Data SIMs : These SIMs are great for data-hungry users. Mobal has unlimited data plans with a very reasonable fair usage policy. You don’t have to worry about data speed and can be online the whole day.
• Mobal Voice + Data SIMs : If you need a Japanese Phone number to make voice calls or to use some specific Japanese apps.
• Sakura Data SIMs : Sakura SIMs, ordered through Klook, are the price-conscious option. They are cheaper than Mobal but have a stricter fair usage policy.
• Simcardgeek Esims : If your phone supports eSIMs this is the best and easiest way to go
• Airalo eSIMs : The cost-conscious option in the eSIM department for those who don’t need huge data packages.

Want more information on eSIMs? Skip to the eSIM section in this article . For a more extensive comparison of eSIMs, we would like to refer you to this article .

Japanese SIM cards

Japan Tourist SIM cards

Will you be in Japan for more than 3 months?

Mobal also has a long-term plan that does not require any paper contracts or other red tape.

Discover great apps for traveling to Japan. 

Japan Tourist SIM cards – The top choices

In this article, we discuss no less than 30 different Japan tourist SIM cards.  All of which have slightly different options.  It’s good to have a choice but with all these different options it is hard to see the forest for the trees.

We discuss all the details of the SIM cards further down in this article but here are our top choices:

For the occasional data user

Most SIM cards offer unlimited data but all providers have implemented a fair usage policy. If you consume more than what is covered by the fair usage policy your data speed will be reduced. Sakura Mobile cannot share the exact details of the fair usage policy, therefor we recommend them for occasional use. Their prices are very competitive but they cannot be used for video streaming or as a hot spot for your laptop.

If you just want to make sure that you can fall back on your data plan if you need it but you already know that you will only have to use it occasionally, these are your best options.

Short stays

At JPY ¥4,000 for 8 days the SIM cards provided by Sakura Mobile are reliable and very cheap. 

The SIM card offers unlimited high-speed data at 4G or 3G speeds.  You will find a very detailed document to check if your mobile is compatible with the local network. Sakura Mobile uses the NTT Docomo network in Japan, generally seen as the best network in the country.

Thanks to the detailed information you can buy this SIM with peace of mind, knowing that it will work once you are there. If you’re still unsure you can pay a supplement for compatibility insurance. With this insurance, you will receive a WiFi device in case the SIM does not work in your phone.

Alternatively, if your phone is incompatible (see our FAQ below) with the NTT Docomo network you can opt for a Mobal SIM that works on both the NTT Docomo and the Softbank network.

Click here for more information and to order your Sakura Mobile SIM card from Klook: Sakura Mobile Tourist SIM

Longer stays

If you are 2 of 3 weeks in japan.

For stays of 2 or 3 weeks , you’re in most cases also best off 16 or 21-day cards of Sakura Mobile that can be found on Klook.  At JPY ¥6,000 and JPY ¥6,500 they are the cheapest options that can be found for these durations.

Both SIMs offer unlimited high-speed data at 4G or 3G speeds.  4G is offered in major cities while the 3G is applicable in more rural areas. You will find a very detailed document to check if your mobile is compatible with the local network. Sakura Mobile uses the NTT Docomo network in Japan, generally seen as the best network in the country. It has a coverage of over 99%.

Once you have read through the detailed information you can buy this SIM with peace of mind, knowing that it will work once you are there.

If you’re still unsure you can pay a supplement for compatibility insurance. With this insurance, you will receive a WiFi device in case the SIM does not work in your phone.

Alternatively, if your phone is incompatible with the NTT Docomo network you can opt for a Mobal SIM that works on both the NTT Docomo and the Softbank network.

If you are longer than 24 days in Japan

If you will be in Japan longer than 24 days the 30-day card of Simcard GEEK that costs JPY ¥4,980 is a good buy.  The card comes with 7GB of high-speed data which should be sufficient to cover your needs.  This SIM card also connects to the NTT Docomo network which is generally recognized as Japan’s best network.

Simcard GEEK has a fair usage policy of 3GB/day.

Click here for more information and to order your SIMcard Geek SIM card: SIMcard Geek 30-day Tourist SIM

For the heavy data user

If you want to be online the whole day,  enjoy streaming music, or watch YouTube videos, you’re better off with the below SIM cards.  This may also be the case for those who will be sharing your data plan with friends or family members, maybe by means of a mobile WiFi device.

These SIMs also have a fair usage policy. In this case, however, you know the details of the policy and can therefore pay attention to it so that you are not faced with surprises.

Mobal offers SIM cards for 8 or 16 days with an unlimited data plan .  The cards have a fair usage policy which limits high-speed data to 3GB per day. 3GB is quite a lot, it will allow you to browse the internet for 36 hours, stream 600 songs, or watch 6 hours of standard definition video. 

Consuming this amount of data in one day would probably mean that not much time is left to see the many stunning sights Japan has to offer.

Click here for more information and to order your Mobal SIM card: Mobal Tourist SIM

Mobal has a SIM with an unlimited data plan for 31 days.   This card has a fair usage policy which limits high-speed data to 3GB per day. 3GB is a lot, in the previous paragraph we gave a small overview of what exactly you can do before you reach this threshold. 

If you go out and discover the city you will probably never consume that much data in one day and if you stay in your hotel you can use the WiFi provided by the hotel.

Japan SIM card for tourists – The details

Mobal is a company with a mission to help international travelers in Japan stay connected.

They’ve got offices in New York and the UK, so if you need any help, you can count on them to provide support in English.

Whether you’re staying for a short while or a long time, they’ve got data and data+voice options to keep you connected.

What we like most about them is that their website has all the info you need and they’re super quick at getting back to you when you reach out. When we once had a question we heard back from them within just two hours!

Size : Multi-size SIM cards.  The SIM can be adapted to fit in any mobile phone.

Network :  NTT Docomo, Softbank (3G & 4G)

Shipping :  Shipping is always free.  Data-only SIMs are shipped worldwide, for data+voice+text SIMs the list of countries is limited .  If shipping is not available to your country you can simply collect your SIM, for free, at one of the many pick-up locations.  There are locations at the airports and in Tokyo, Osaka, Kyoto and other major cities across Japan.

Below are the shipping times.

Japan: 1 – 3 business days USA and UK: 2 – 5 business days (expedited, next business day, shipping to these countries is available for a fee) Other countries: 8 – 15 business days

Shipping of voice+text sims requires that a copy of your ID is to be sent to Mobal at the time of your order.  All details about shipping and pick-up locations are extensively explained on the website .

Activation : No activation is required for these SIM cards. They’re ready to use. You just need to insert the SIM and set the APN.

Topping Up : Data only SIM’s have unlimited data at 4G LTE speed.  Data+voice SIM’s have 7GB of data at 4G speed per calendar month.  This can work in your favor.  If you arrive on 23 October, and stay until 7 November (as an example) you will get 14GB of data. 7GB in October and a new bundle of 7GB as soon as November starts.

If you want more data at high speed you can top-up your account in your online account.

Fair usage policy : If you use more than 3GB in one day your data speed may be reduced to 128 kbps for 24 to 48 hours.

Click here for more information and to order your Mobal SIM card: MOBAL Tourist SIM

Simcard Geek

Simcard Geek is a sister company of Mobal. Despite being powered by Mobal they have a different product range than what you can get from Mobal directly.

Network : NTT Docomo (3G & 4G)

Shipping :  Shipping is always free and is available to your home or your accommodation in Japan.  You can also choose to pick up your SIM at any of the postal offices at the airports in Japan.

SIM cards are sent out a few weeks before your pick-up date.  If you order your SIM long in advance it may not directly be shipped.

Japan: 2 – 5 business days (expedited shipping is available for a fee) USA: 2 – 5 business days   UK: 2 – 5 business days (expedited shipping is available for a fee) Australia: 3 – 7 business days   Other countries: 8 – 15 business days

Pick-up at the airport in the postal office: your SIM will be ready for pick-up after 2 to 5 business days or 2 to 3 business days with expedited shipping.  Make sure to verify that the postal office is open at your arrival time.

Activation :  The Japan SIM card is active upon receipt. To start using your SIM you simply can follow the instructions in the supplied English user guide to enter your APN settings.

Fair usage policy : Unlimited SIM cards have a fair usage policy.  If you use more than 3GB in one day your data speed may be reduced for 24 to 48 hours.

Click here for more information and to order your SIMcard Geek SIM card: Simcard Geek Tourist SIM

Sakura Mobile

Sakura Mobile is a reputable Japanese company that specializes in providing wireless services for visitors to Japan. They offer a range of affordable solutions to keep you connected throughout your stay.

They offer English support. Our support question was answered quickly, correctly, and in clearly understandable English.

One standout feature of Sakura Mobile is its compatibility insurance option. For an additional fee of 500 JPY, you can add this insurance to your purchase if you’re unsure whether their SIM will work with your device. This provides peace of mind and ensures that you’ll be able to stay connected without any hiccups.

In the unlikely event that you do encounter connectivity issues, Sakura Mobile offers a solution to those who took the insurance option – an upgrade to a Pocket Wi-Fi device at no extra cost. Alternatively, if you prefer, they can also provide a refund.

You have multiple options when it comes to ordering Sakura Mobile SIMs. You can either purchase them through Klook or directly on their corporate website . While the widest range of options is available on their own site, it’s worth noting that Klook offers certain exclusives not found on the corporate website.

On the other hand, when ordering directly, you can choose from more pick-up locations or have the SIM shipped to any address within Japan, including hotels.

Size : Multi-size SIM cards. Normal, Nano or Micro sim.

Network :  NTT Docomo (3G & 4G)

Shipping :  When you order through Klook the SIM can be collected at Terminal 3 (the International terminal) of Haneda International Airport or Terminal 1 and 2 of Narita International Airport. There is also a pick-up location in the arrival lobby of the Kansai airport.

If you order direct you can have the SIM delivered to hotels and Airbnb’s or collect it at the airport (Haneda, Narita, Kansai, Chubu, New Chitose) or at the office in Shinjuku.

Activation : No activation is required for these SIM cards. They’re ready to use. You just need to insert the SIM and set the APN.  You can download a document that explains how to do this.

Available direct :

Available through Klook :

Click here for more information and to order your Sakura Mobile SIM card:

Japan SIM cards with pick-up abroad (via Klook)

Here are a few extra options for those who live in Thailand, Malaysia, Hong Kong, Vietnam or India.

The below providers offer SIM cards that are either shipped to your home or that can be collected at your airport of departure.

Personally I would prefer to pick-up my SIM in Japan.  This has the advantage that somebody can assist you with setting it up and in the unlikely event that it doesn’t work, you would be able to look for an alternative or arrange a refund on the spot.

A pick-up abroad might, however, be a convenient option if you don’t want to lose time collecting your SIM upon arrival.

Buying a SIM card in Japan

Don’t worry if you’re already in Japan when you’re reading this. 

It’s also possible to buy a tourist SIM card in BIC Camera and Yodobashi Camera stores as well as at Narita and Haneda airports. 

You can even order one online and pick it up in several locations in downtown Tokyo, Kyoto, Osaka as well as other cities.

At the airport

If you want to start using your SIM card immediately you can buy one at the airport.

In the arrivals hall are sales counters from various operators and they will certainly be able to assist you in English. 

The drawback is that your choice will be more limited than in the shops in the city and you will be paying more, as is always the case at airports.

BIC camera also operates one small store in Narita and 2 in Haneda airport terminal 3 (see here and here ).  The sales points from the operators will likely be able to better assist you and give you advice while the stores from BIC camera will likely be cheaper.

In the cities

Another option to buy a SIM card in Japan would be to head to one of the BIC Camera or Yodobashi Camera stores in the cities. 

They sell various prepaid SIM cards for Japan tourists.  Usually, someone will be able to assist you in English but don’t expect the store personnel to speak the same level of English as they would at the airport. 

If you know what you need they will be able to point you to the correct package or confirm that what you picked is what you think it is. But you better speak some Japanese if you want to go into lengthy discussions about what would be the best option for you.

Finding these stores is easy.  Your hotel should be able to tell you the nearest one or you can use Google Maps.

A visit to a BIC Camera or Yodobashi Camera store is something that we absolutely recommend.  It is a fun experience during which you can marvel at all the electronic gadgets that are for sale.

But maybe you prefer to compare the various options from the comfort of your hotel room.  This is possible as well. 

You can order your SIM online with Mobal and pick it up directly at one of the many pick-up locations across Japan.

They have a very informative website and offer English support in case you have any additional questions. 

Japan eSIMs

Good news if you have a modern phone that supports embedded SIMs (eSIMs). You no longer have to worry about fiddling with your phone to replace the SIM card. All you have to do is click a link or scan a QR code.

Your SIM can stay in your device and you can switch between your own cellular plan and the Japanese plan. Super convenient and super easy.

Four providers offer eSIMs :

Simcard GEEK

Airalo esims.

Airalo eSIMs are available for a duration of 7 or 30 days and come with a data package ranging between 1 GB and 10 GB.

These are data-only contracts so voice calls are not supported.

• Size: eSIM card.
• Network: Softbank
• Duration: 7 or 30 days
• Pick-up: You will find all the information in the e-mail or the app.
• Activation: You can activate the eSIM when you want to start using it. You will need a WiFi connection to activate it.
• Topping Up: You can buy a new SIM if you’ve consumed all data of your existing eSIM.

Use our exclusive   WAPITI10OFF promo code to get an additional 10% off your Airalo eSIM.

Check all Airalo eSIM options: Airalo eSIM

The activation link is sent minutes after your purchase so you can still buy this SIM after you’ve arrived in Japan.

Check out this list if you’re not sure if these eSIMs are compatible with your phone.

The eSIMs connect to Japan’s Docomo network and is native to Japan. It connects to the Docomo network directly and is fast & reliable. You don’t need to enable data roaming for it to work.

The SIMs are data only, voice & text is not supported.

These are the various options:

Click here for more information about the Simcard GEEK eSIM options: Simcard GEEK eSIMs

In addition to the regular SIMs that we discussed above , Mobal also offers a selection of eSIMs.

Their eSIMs make use of the Docomo network and are native to Japan. All the options are data only, voice & text is not supported.

The data speed is 4G LTE. If the included data amount is fully used you can continue surfing until the SIM expires but at a slower speed of 200 kbps.

Click here for more information about the Mobal eSIM options: Mobal eSIMs

Frewie offers 2 eSIMS for use in Japan. When ordering a Frewie eSIM through Klook you will get a confirmation mail with a QR code to activate your eSIM. The mail is sent within 24 hours of your purchase.

The Frewie eSIM is a data-roaming SIM that connects to the Docomo network in Japan. It’s not a native Docomo eSIM, you will need to activate data roaming for it to work. Because it uses roaming it can be somewhat slower than the above eSIM options from Simcard GEEK.

One SIM works only in Japan, the other works in Japan & South Korea. Both are data only. The data package varies with the duration of the SIM.

Check prices and more info:

Frewie Japan SIM (5 – 30 days)

Frewie Japan & S-Korea SIM (14 or 30 days)

Japan SIM card for longer stays

For a short stay, you’re best off with a prepaid SIM card but if you’re staying in Japan for several months you could consider an unlimited long-term plan.  

Japanese providers are known to have a lot of red tape.   

A contract with them usually requires a lot of paperwork and a commitment of 2 years. For some, you even need to have a residence visa and/or a Japanese bank account.

Two providers offer long-term SIM plans :

Mobal offers an alternative to the red tape. 

Their long-term plan comes with no minimum duration, no activation, and no termination fee. 

The customer service team speaks English, is super-responsive, and you can easily order the SIM card online.

This is what you will get:

Japanese Phone number : A real Japanese phone number starting with 070, 080 or 090 (Softbank).  A voicemail service is included.

Free calls : All incoming calls and texts are free. Outgoing calls to other Softbank customers (including Mobal customers) are free from 1 AM to 9 PM.

Network : Your Mobal SIM will give you access to both the NTT Docomo network as well as the Softbank network so you’re sure to have the best reception whenever possible. The sim can be used in any unlocked device that supports the 3G or 4G Band 1 (2100MHz) frequency.

Shipping :  Shipping is always free but not available to all countries.  If shipping is not available to your country you can simply collect your sim for free, at one of the many pick-up locations.  There are locations at the airports and in Tokyo, Osaka, Kyoto and other major cities across Japan.

Shipping of voice+text sims requires that a copy of your ID is sent to Mobal at the time of your order. 

If you don’t want to share these details online you can pick up your package in Japan. All details about shipping and pick-up locations are extensively explained on the website .

Activation : To activate your SIM follow the activation instructions provided with your sim.  During business hours the activation should be processed within 2 hours.

Upgrade data plan : The data+voice SIM has 7GB of data at 4G speed per calendar month.  If you want more data at high speed you upgrade your plan in your online account.

Fair usage policy : If you use more than 7GB in one month your data speed will be reduced to 128kpbs for the remainder of the calendar month.

Click here for more information and to order your Mobal SIM card: MOBAL Long-term SIM

Sakura Mobile offers a similar long-term plan specifically aimed at overseas tourists who will spend a considerable time in Japan.

The plan has no minimum duration, it can be canceled at any time. There’s a one-time activation fee for the voice service. (only to be paid if you want to use the voice+text features) 

To order the package you will need to provide a copy of your current passport. A utility bill with your address on it is also required as proof of residence if you want the SIM to be shipped to your home.

Japanese Phone number : A Japanese phone from NTT Docomo.

Calls : All incoming calls and texts are free. With the Sakura Dail app or the special prefix number you can call at special discounted rates. ( check the rates )

Network : NTT Docomo.  There’s a dedicated page to see if your device is compatible.

Shipping :  The SIM card can be shipped to your home address if you provide a proof of residence.  This is not required.  You can also collect it at the airport or in the Sakura Mobile office.

Normally it takes 2 to 5 days for the package to arrive. You will receive a tracking code with which you can track the shipment.

Activation : No activation is required for the data plan. A one-time fee of 5,500 JPY is required to activate the voice service.

Data plan : You can choose from 2 plans.  A lite plan with 4GB data/month or a premium plan with 25GB data/month.   Both plans are unlimited which means you can continue browsing at slower speeds if you’ve consumed the included data.  It’s also possible to top-up your data plan online.

Fair usage policy : Unknown

Click here for more information and to order your Sakura Mobile Long-Term SIM card: Sakura Mobile Long-term SIM

FAQ About Tourist SIM Cards for Japan

Will your phone work in japan .

Before you buy a SIM you need to be sure that your phone is compatible with Japan’s telecom network. It needs to be able to operate on one of the bands used by the telecom operators in Japan. 

Check the technical specs of your phone to see what bands are supported and see if there’s a match with the bands that the operators are using. We’ve listed all of them in the following section.

Your phone will also need to be unlocked.

If you don’t want to do this manually you can find pages online ( like this page ) where you can select your phone and the network operator to verify if they’re compatible.

Network providers in Japan

Japan has four mobile phone companies that operate their own network.  The three major players are NTT Docomo, Softbank (formerly Vodafone), and Au by KDDI.

A fourth challenger is Rakuten Mobile. Rakuten Mobile used to be a virtual operator but started building out its own network a few years ago. Today it covers about 94% of the population.

All other operators are virtual and use one of the existing networks. The tourist SIM cards we discussed in this article all work on either the Softbank or NTT Docomo network.

The network of NTT Docomo is recognized to be the best in terms of coverage.  Softbank comes in second although they are not far behind. Both these networks cover 99% of Japan (population-based).

These are the bands used by the Japanese operators:

Rakuten Mobile

Pocket WiFi device vs Tourist SIM card

One big perk of using a pocket WiFi device is that you can stay connected without having to mess with your phone.

No need to worry about changing your settings. Just remember to turn off your data connection to avoid those annoying roaming fees. With your SIM card still in the phone, you can stay connected with friends, family, work buddies, and anyone else who has your number just like you’re back at home.

If you want people to be able to contact you anytime, a pocket WiFi device is a great option.

Another advantage of pocket WiFi devices is that they let you connect multiple users at once (usually up to 10!).

Batteries of pocket WiFi devices usually last no more than a day. This is probably the biggest disadvantage. It is one more device that you need to charge on a daily basis.

Interested in Pocket WiFi devices?

See which ones you can rent in Japan . Or if you are going to use this often, you can buy your own device , just like us.

Which size of SIM card do you need

SIM cards have become increasingly smaller over the years. First, we had the standard SIM, then the Micro SIM and nowadays almost all modern phones use a Nano-SIM

Usually, providers use multi-size (3-in-1) SIM cards that are compatible with all phones.  Others only offer 2-in-1 (Micro and Nano) which means they will still be compatible with most current models. 

The technical specs of your phone will show what SIM you need.

In some cases, you will need to specify the requested SIM size with your order.

Free WiFi in Japan

You can easily find free WiFi at many places in Japan. Coffee shops like Starbucks, metro stations in all major cities, and JR train stations offer this convenient service.

Connecting to public WiFi networks was a pain the first time we were in Japan. Not only did we, have to do it over and over again. We also couldn’t get the connection to work for half of the time.

But now there’s a great app called Japan WiFi Auto-Connect that takes care of all the hassle for you. It automatically connects your phone to selected public WiFi hotspots. Only the trusted ones managed by reliable companies or authorities are used by the app for security reasons.

The app worked perfectly for 90% of the time during our last trips. Whenever we walked into a metro station or train station the phone usually connected to the WiFi in a matter of minutes.

The Japan WiFi Auto-Connect app is available for Android and Apple and makes free WiFi much more reliable for foreigners.

Still, I suggest not depending on free WiFi entirely, just like we don’t. As you move away from the big cities, finding reliable Wi-Fi spots becomes harder.

And even in the major cities, I find it super handy to have internet access all the time so I can look up stuff whenever something pops into my head – not just when I stumble upon a hotspot.

It’s a matter of convenience, but SIM cards are so cheap that I think it’s worth it.

Having a Japanese tourist SIM card turned out to be priceless.  With Google Maps we could easily find our way around the cities, we discovered interesting places to eat and we weren’t restricted to touristic restaurants since we could use our mobile phone to translate the menus.

It really helped us to travel deeper and get a better, less touristy experience of Japan.

There’re many different tourist SIM cards so we wrote this post to help you choose the one that suits your needs.  All information is accurate at the time of writing.

We will regularly update this article but if you notice any changes we would appreciate it if you let us know so we can update our post.

Enjoy Japan!

Using A Travel SIM Card In Japan: The Best Brands And How To Use One

October 26, 2023 November 3, 2023 by Angela Ayson

Using a travel SIM card has become essential when going on a trip to Japan nowadays. 

Aside from letting you stay connected to your loved ones while you’re abroad, having an internet connection allows you to access Google Maps and translating apps—both of which are very important when traveling to a country like Japan. 

Are you wondering what is the best travel SIM card to use when you’re in Japan? Worry no more! We’ve got a rundown of the best SIM card and eSIM brands for you to try on your next trip, including how to use them and where buy them!

Best Travel SIM Cards and eSIMs In Japan

Here are our top picks for the best travel sim cards in Japan:

DOCOMO  is one of the top data providers and mobile phone operators in Japan. Access high-speed internet at all times while you’re traveling by purchasing the Docomo Japan travel eSIM! Once purchased, you will receive a voucher carrying a QR code that you’ll scan to set up your eSIM. 

Enjoy unlimited 4G data for seven (7) days of use. Note that your internet speed will be reduced to 256 kbps after you reach your daily limit for the day.

Get your Docomo travel eSIM on KKday!

SoftBank is another prominent communications and network provider in Japan. With over 400,000 Wi-Fi hotspots all over the country, you’re guaranteed to stay connected when you avail SoftBank travel sim! SoftBank currently offers a prepaid data-only travel SIM card for tourists. For only 1,650 JPY, you get to enjoy 500 MB for 31 days, including the date of purchase. 

If you prefer eSIM, SoftBank also has an eSIM option for fuss-free setup while you’re on the go!

Get your SoftBank eSIM on KKday!

Sakura Mobile

If you’re a heavy data user, we highly recommend getting the Sakura Mobile travel SIM card. Sakura Mobile operates under NTT Docomo—Japan’s largest network with the widest coverage area. With Sakura Mobile travel SIM card, you’re guaranteed fast LTE and unlimited data that lets you stay connected for the rest of your trip. 

Starting at 4,500 JPY, you can enjoy unlimited data for eight (8) days with the Sakura Mobile travel sim. They also offer 15 days (6,500 JPY) and 30 days (9,000 JPY) sims respectively.

Order your Sakura Mobile travel SIM card via KKday!

Where To Buy Japan Travel SIM Cards

You can buy a Japan travel SIM card upon your arrival in Japan! There are several shop counters at airports where you can buy these SIM cards; however, do note that these shops are not open 24/7. Alternatively, you can also buy SIM cards via vending machines and electronic shops.

Many network providers also allow online pre-orders via their official website. You can choose to have your travel SIM card either shipped to you prior to your flight or pick them up at airports or hotels. 

For your convenience, though, it would be best to purchase your SIM card or eSIM in advance on KKday. 

How To Use Japan Travel SIM Cards 

Japan travel SIM cards are so easy to activate! Most physical SIM cards are just plug-and-play—all you have to do is insert them into your smartphone. Some require a short registration for you to activate the data. This all depends on the network provider whose service you are using.

Meanwhile, eSIMs are activated through a unique QR code sent to you by your choice of provider.

KKday promo code for you!

Enjoy a 5% OFF discount on select KKday Japan items using the code “BLOG5OFF” upon checkout on the KKday app!

Download the KKday app now: iOS | Android 

>>>Access high-speed internet in Japan and explore your connectivity options of travel sims and wi-fi rentals via KKday!

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Japan Here We Come

The Best SIM Cards for travel to Japan

Here we share the best tourist SIM cards to stay connected in Japan.

We have traveled through the country many times. The very first time we often found a “Handy” phone in our hotel room. A telephone that you could use during your stay. But that time is over.

You now have to find a solution yourself if you want to be connected. And that is really recommended. Although there is free internet in quite a few places, and even apps that make it easy to connect to free WiFi hotspots, there are still many places where you will have to have a data subscription if you want to use the internet.

And we always use the internet a lot while in Japan.  We use our smartphones to navigate the vast cities, to find recommended places to eat and cat cafés, and to look up the train and metro schedules.

We also like to browse around the shops where you can find gadgets and care products that we don’t know about. But also there we often have to fall back on our smartphones to discover what it is exactly or how it works.

Roaming tariffs can be insane, they certainly are in our case, and local SIMs aren’t expensive at all.

Below is an overview of the physical SIMs that you can order online and pick up at the airport, eSIMs, and other ways to stay connected in Japan.

We have already used both a physical SIM and an e-SIM, so we also explain how this works.

Don’t worry if you’re reading this article on the day of departure or when you’re already in Japan.  You can also buy a SIM at the airport or in an electronics store in Japan.  I will guide you on how to do this further down in this article.

And, if your phone supports it, you can of course opt for an eSIM at any time.

In a hurry? Our picks for the best Japanese SIM cards

Here are our top picks in case you are short on time :

• Mobal Data SIMs : for data-hungry users who don’t want to worry about their data speed while being online the whole day
• Mobal Voice + Data SIMs : if you want to be able to make regular voice calls or if you need a Japanese Phone number for some other reason
• Simcardgeek/(Powered by Mobal) eSIMs : If your phone supports eSIMs this is the best and easiest way to go
• Sakura Mobile SIMs : the cost-conscious option for those who don’t mind limiting their data usage to save on the budget

Table of Contents

Regular Japan Traveler SIM vs eSIM

During our first trips we always used a regular SIM that we pre-ordered online and picked up at the airport upon arrival. Very convenient and everything always went very smoothly. Below we explain in more detail how this works.

However, we both recently switched to a cell phone that supports eSIMs and thus we used an eSIM for our last trip.

It was the very first time we used such an eSIM, so we were a little nervous about whether everything would run smoothly and the technology would not let us down.

That stress seemed completely unwarranted. All steps on how to install and activate the SIM were neatly explained.

What’s our verdict?

Both worked equally well when considering connectivity and speed. If your phone supports eSIMs, I would opt for an eSIM for Japan. It offers the advantage that you do not have to change SIM cards and that you can, at all times, easily switch from your regular SIM to the Japan tourist eSIM.

We like the Airalo’s eSIMs for their ease of installation and Mobal eSIMs for Japan for their excellent selection of data packages.

We have a full guide on eSIMs for Japan .

But no problem if your phone does not support eSIMs. There are plenty of alternatives that you can order online and quickly pick up at the airport upon arrival. Below is an overview.

Japan Tourist SIM cards – The top choices

The list of Japan traveler SIM cards seems endless. We found no less than 30 different options when we were looking to buy a SIM for our last trip.  All of which have slightly different options.  It’s good to have a choice but with all these different options it is hard to see the forest for the trees.

Below is an overview of our top picks.

Click the more info link to see all the details of these options.

Japan Tourist SIM cards – Top Picks

Japan Traveler SIM cards – The Details

Mobal is an American/Japanese company specializing in communication solutions for international travelers to Japan. Thanks to their international footprint, with amongst others, offices in New York & UK, you’re sure to receive English support in case you need it.

They have solutions for short-term and long-term stays with both data and data+voice options.

Their website is very informative and they are very responsive in case you need more info or help. When we contacted them they got back to us within 2 hours.

The details

Size : Multi-size SIM cards.  The SIM can be adapted to fit in any mobile phone.

Network : The Mobal SIM works on the NTT Docomo network and Softbank network ensuring the best reception whenever possible. The SIM can be used in any unlocked device that supports the 3G or 4G Band 1 (2100MHz) frequency.

Shipping :  Shipping is always free.

Data-only SIMs are shipped worldwide. Data+voice+text SIMs are shipped to certain countries.  If your country is not included you can simply collect your SIM, for free, at one of the many pick-up locations.  There are locations at the airports and in Tokyo, Osaka, Kyoto and other major cities across Japan.

Activation : No activation is required for these SIM cards. They’re ready to use. You just need to insert the SIM and set the APN.

Topping Up : Data only SIM’s have unlimited data at 4G LTE speed.  Data+voice SIM’s have 7GB of data at 4G speed per calendar month.  This can work in your favor.  If you arrive on 23 October, and stay until 7 November (as an example) you will get 14GB of data. 7GB in October and a new bundle of 7GB as soon as November starts.

If you want more data at high speed you can top-up your account in your online account.

Fair usage policy : If you use more than 3GB in one day your data speed may be reduced to 128 kbps for 24 to 48 hours.

More about shipping

These are the shipping times:

Japan: 1 – 3 business days USA and UK: 2 – 5 business days (expedited, next business day, shipping to these countries is available for a fee) Other countries: 8 – 15 business days

To have voice+text SIMs shipped to your address you need to send a copy of your ID to Mobal at the time of your order.  All details about shipping and pick-up locations are extensively explained on the Mobal website .

The options

Click here for more information and to order your Mobal SIM card: MOBAL Tourist SIM

SIM Card Geek

SIM card geek is a sister company of Mobal. Both have a different product range but behind the scenes you’re dealing with the same company. The SIMs connect to the NTT Docomo network.

If Mobal’s offer does not meet your needs, you can go for one of the cards from SIM card geek.

Network : All SIM cards use the NTT Docomo network. The SIM can be used in any unlocked device that supports the 3G or 4G Band 1(2100 Mhz) frequency.

Simcard Geek offers a money-back guarantee.  In the unlikely event that the SIM does not work in your phone or mobile device, you can return it and get your money back.  (excluding any shipping charges)

Shipping :  Shipping is always free and is available to your home or your accommodation in Japan.  You can also collect your SIM at any of the postal offices in the airports in Japan.

Activation :  The Japan SIM card is active upon receipt. The SIM comes with instructions (in English) on how to install and start using it.

Fair usage policy : Unlimited SIM cards have a fair usage policy.  If you use more than 3GB in one day your data speed may be reduced for 24 to 48 hours.

More about shipping and pick-up

SIM cards are sent out a few weeks before your travel date.  If you order your SIM long in advance it may not directly be shipped.

Below are the shipping times.

Japan: 2 – 5 business days (expedited shipping is available for a fee) USA: 2 – 5 business days   UK: 2 – 5 business days (expedited shipping is available for a fee) Australia: 3 – 7 business days   Other countries: 8 – 15 business days

Pick-up at the airport in the postal office: your SIM will be ready for pick-up after 2 to 5 business days or 2 to 3 business days with expedited shipping.  Make sure to verify that the postal office is open at your arrival time.

Click here for more information and to order your SIMcard Geek SIM card: Simcard Geek Tourist SIM

Sakura Mobile

Sakura is a Japanese company that offers wireless services for all who are visiting Japan. 

They have various cost-effective solutions to stay connected while you’re visiting Japan.  

Sakura Mobile has English support and also offers compatibility insurance as an add-on. If you’re unsure whether their SIM will work in your device you can add this insurance for 500 JPY. If you opted-in their insurance and encounter problems with getting connected you will get an upgrade to a Pocket Wifi device. (or a refund if you prefer)

Sakura Mobile SIMs can be ordered through Klook or directly, on their corporate website. The widest range can be found on their own site, but you can compare both since you can order things on Klook that you cannot find on their own site.

If you order direct you can also choose from more pick-up locations or have the SIM shipped to any address, including hotels, in Japan.

Size : Normal, Nano or Micro sim.

Network :  NTT Docomo network. The SIM supports these frequencies: 4G: Band 1: 2100MHz & Band 19: 800 Mhz (available in most cities); 3G:Band 1: 2100MHz & Band 19: 800 Mhz

Shipping :  When ordering through Klook the SIM can be collected at Narita, Haneda, and Kansai airport.

If you order direct you can have the SIM delivered to hotels and Airbnb’s or collect it at the airport (Haneda, Narita, Kansai, Chubu, New Chitose) or at the office in Shinjuku.

Activation : No activation is required for these SIM cards. They’re ready to use. You just need to insert the SIM and set the APN.  You can download a document that explains the steps to follow.

The Options

Available direct

Available through Klook

Sakura – Order Direct

Sakura – order from Klook

Buying a SIM card in Japan

If you’re already in Japan when you’re reading this there’s no need to worry. 

Believe it or not, we arrived unprepared the very first time ourselves. It’s relatively easy to buy a SIM card in Japan. We then bought an IIJmio SIM in a Ydodobashi Camera store.

Here are your options for when you’re in Japan.

At the airport

If you want to start using your SIM card immediately you can buy one at the airport.

In the arrivals hall are sales counters from various operators and they will certainly be able to assist you in English. 

The drawback is that your choice will be more limited than in the shops in the city and you will be paying more, as is always the case at airports.

BIC camera also operates one small store in Narita and 2 in Haneda airport (see here and here ).  You can also find SIM cards in the BlueSky shops .

The sales points from the operators will likely be able to better assist you in English and may give better advice. 

In the cities

Another option to buy a SIM card in Japan is to head to one of the BIC Camera or Yodobashi Camera stores. 

They sell various prepaid SIM cards for Japan tourists.  We used the IIJmio SIM during our very first trip to the country. This SIM comes with a brief explanation of how to install it. You can also find all the settings on their website.

The data limit of 1GB is pretty limited but you can buy coupons to recharge the SIM.

Usually, at least some of the staff will be able to assist you in English but don’t expect the store personnel to speak the same level of English as they do at the airport. 

If you know what you need they will be able to point you to the correct package or confirm that what you picked is what you think it is.

But you better speak some Japanese if you want to go into lengthy discussions about what would be the best option for you.

There are several Yodobashi and BIC Camera stores. At your hotel they should be able to give directions to the nearest one or you can use Google maps.

A visit to a BIC Camera or Yodobashi Camera store is something that we absolutely recommend. They have so many electronic gadgets and gizmos in Japan, all things that you won’t find elsewhere. (I still don’t understand why those luxury toilets can hardly be found anywhere else in the world)

But you can also compare the various options from the comfort of your hotel room and order a SIM online. 

An eSIM is the first thing that comes to mind. You can compare the alternatives, buy the one that suits you and install and activate it. All in a matter of minutes.

If your phone doesn’t support eSIMs you can order your SIM online with Mobal and pick it up directly at one of the many pick-up locations across Japan.

Alternative options to stay connected

You don’t want the hassle of changing SIM cards? No problem, in that case you can opt for one of the following alternatives.

Free WiFi in Japan

A lot of places offer free WiFi. You find it in coffee shops (Starbucks) Metro Stations (Tokyo Metro) and JR train stations.

It used to be quite a hassle to repeatedly connect to these networks but there is now an app, Japan WiFi Auto-Connect , that will automatically connect to certain public WiFi hotspots. For security reasons not to all public WiFi hotspots, but only those managed by trusted corporations or public authorities.

It worked perfect for 90% of the time during our last trips. When I walked into a metro station or train station I was usually connected to the WiFi in a matter of minutes.

The Japan WiFi Auto-Connect app is available for Android and Apple.

Thanks to this app, among other things, it has become much easier to make use of free WiFi hotspots.

During our first trips to Japan, we had to fill out a form each time we wanted to use a hot spot, only to realize that the WiFi didn’t work in the end. Now, free WiFi is much more reliable for foreigners.

However, I recommend not relying solely on it, just as we don’t. Hotspots become scarcer as you leave the major cities. Even in the capital, I find it convenient to have internet access at all times and be able to look something up when it crosses my mind, not just when I’m at a hotspot.

It’s a matter of convenience, but for the small price of a SIM card, I think it’s worth it.

Here’s an overview of the WiFi hotspots in Tokyo .

Pocket WiFi Devices

The main advantage of using a pocket WiFi device is that you don’t need to switch the SIM in your phone. You also don’t need to change any of the settings of your phone. You only need to connect to the WiFi signal broadcasted by your WiFi Device.

Do make sure that your data connection is disabled to avoid any nasty data roaming fees.

And if you’re traveling with your family, or with friends, you can all share the same WiFi signal.

As your SIM remains in your phone this also means that friends, family, work relations, and anybody else who has your phone number can reach you as if you were home.

A disadvantage of a pocket WiFi device is that it is one extra device that you need to carry around and that you will need to charge on a daily basis if you use it frequently.

If your phone supports eSIMs , we think that is the ideal solution. Since we got our new phone, with support for eSIM, we have always opted for an eSIM.

Your regular SIM remains in the phone. You will remain reachable on the known number and you can use data via your local eSIM. So the best of both worlds.

Network providers in Japan

Japan has four mobile phone companies that operate their own network.  The three major players are NTT Docomo, Softbank (formerly Vodafone), and Au by KDDI.

A fourth challenger is Rakuten Mobile. It used to be a virtual operator but it is now building out its own network. Today it covers about 94% of the population. Their customer relations team only speaks Japanese.

There are several other providers but these typically piggyback on the network of these 3 majors to offer their services.

The network of NTT Docomo is recognized to be the best in terms of coverage.  Softbank comes in second, they are not far behind, and they still cover 99% of Japan (population-based).

Au by KDDI is seen as the least reliable network of the major players.  They do well in terms of coverage but their reception is not as good inside buildings or underground due to the frequencies they’re using.

Having a Japanese tourist SIM card turned out to be priceless.  With Google Maps we could easily find our way around the cities, we discovered interesting places to eat and we weren’t restricted to touristic restaurants since we could use our mobile phone to translate the menus.

It really helped us to travel deeper and get a better, less touristy experience of Japan.

There are many different tourist SIM cards so we wrote this post to help you choose the one that suits your needs.  All information is accurate at the time of writing.

We will regularly update this article but if you notice any changes we would appreciate it if you let us know so we can update our post.

Enjoy Japan!

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NTT DOCOMO launches prepaid SIM service for international visitors to Japan, enabling free access with advertisement viewing

NTT DOCOMO has started selling a new prepaid SIM service ‘Japan Welcome SIM,’ which allows international travelers to access the Internet through the DOCOMO network during staying in Japan, since July 1 2017. One of the features is that an international visitor can charge a certain amount of high-speed data communication on SIM by viewing a certain number of video advertisements and filling out a survey before coming to Japan. 

It is necessary for a user to register in ‘d account’ before visiting Japan and to pick up the SIM card at major airports in Japan, such as Narita, Haneda or Kansai, and DOCOMO shops in Fukuoka City. The SIM card can be installed in a smart phone without APN setting. A user can use the NTT DOCOMO network for 15 days during staying in Japan. NTT DOCOMO has a goal to acquire 1 million users as soon as possible and to double users by 2020. 

Japan Welcome SIM has two paid plans of Plan 1000 and Plan 1700 in the beginning and will add a free plan by viewing advertisements in October 2017. 

The table below shows service plans:

At the same time NTT DOCOMO is trying to increase partner companies for the B to B to C model, providing Set Offer service and Count Free service. For Set Offer service, which allows a partner to sell the Japan Welcome SIM together with their own products, Tokyu Hotels became the first partner. For Count Free service, which provides high-speed data to customers of a partner company while disregarding data volumes, when the partner company's web services or applications are used, Booking.com became the first partner. 

The picture below shows Set Offer service model:

For the SIM service, NTT DOCOMO has a plan to create an advertising revenue model and a future idea to providing coupons or to charge experience or restaurant booking. 

In Japanese

Let us hear your VOICE Please feel free to leave any comments or opinions.

The highest customer satisfaction goes to teikoku hotel for city hotel and richmond for budget hotel, jal is the most satisfied airline in 2017, surging from 4th last year - recruit airline satisfaction survey, latest news, international visitors to japan exceeded 3 million in march 2024 for the first time, boosted by cherry blossom, ana begins serving complimentary in-flight internet access even to  international flight business class passengers , 47% of inbound travelers in japan said that clean public toilets make them have better images of the areas, guest nights in home-sharing in japan for the first two months of 2024 were 30% more than a year ago, jtb works together with asahi breweries to develop a nighttime rickshaw tour in asakusa for inbound travelers.

Interest in overseas travel of Japanese people is much lower than the world’s average

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Staying Connected in Japan: The Best SIM Cards for Travelers in 2024

Last updated on November 22nd, 2023 at 01:26 pm

Konnichiwa, fellow wanderers! Japan’s allure lies in its rich cultural heritage, futuristic technology, and breathtaking landscapes. To fully immerse yourself in this captivating country, staying connected with friends, family, and essential travel apps is crucial. With a myriad of options available, choosing the best Japan SIM card can be daunting. In this blog post, we will explore some of the top SIM cards for travelers in Japan, ensuring you can make an informed decision and enjoy seamless connectivity throughout your journey.

Japan SIM Cards

Your guide to sim cards and pocket wifi while traveling in japan.

When traveling to Japan, staying connected is essential for a smooth and enjoyable experience. In this guide, we’ll dive into the options available for maintaining connectivity, including Japan SIM Cards, Japanese ESIM with Number, and Japan Pocket WiFi.

• Japan SIM Cards: Japan SIM Cards are a convenient solution for travelers who want a local number and reliable data on their phones. Whether you’re navigating the bustling streets of Tokyo or exploring the serene landscapes of Kyoto, having a Japan SIM Card ensures you’re always connected.

• Japanese E-SIM Cards: For those with ESIM-compatible devices, opting for a Japanese E-SIM offers a seamless and digital way to get connected. Experience the convenience of activating your ESIM without the need for a physical card.

• Japan Pocket WiFi: If you’re traveling with multiple devices or prefer a WiFi hotspot, Japan Pocket WiFi is an excellent choice. Enjoy the freedom of connecting your smartphone, tablet, and other devices to a portable WiFi hotspot, ensuring a reliable internet connection wherever your journey takes you.

Whether you choose a Japan SIM Card, Japan E-SIM Data Plan, or Pocket WiFi, each option caters to different preferences and needs. Before your trip, consider your connectivity requirements to select the option that best suits your travel style.

1. Sakura Mobile Japan SIM Card

When it comes to staying connected in Japan, the Sakura Mobile SIM is designed with the discerning traveler in mind, offering a perfect blend of data and voice capabilities. With flexible plans and the option to add voice minutes as needed, this SIM card provides a hassle-free solution for your communication needs.

Enjoy the freedom of unlimited LTE data usage on Japan’s largest network, Docomo, for 8, 16, 21, or 31 days – choose the duration that suits your travel preferences. The Sakura SIM card can be conveniently purchased in advance online or upon arrival at major airports in Japan, ensuring that you’re connected the moment you set foot in the country.

Explore the variety of plans available: Long Term Plans with Voice & Data SIMs start at 2980 JPY, E-SIMs start at 2970 JPY, and Pocket WiFis start at 329 JPY per day. Whether you’re a short-term visitor or planning an extended stay, Sakura Mobile has tailored options to meet your connectivity needs.

With Sakura Mobile, you not only benefit from reliable coverage but also multilingual customer support, ensuring a smooth and effortless communication experience throughout your Japan adventure. Stay connected seamlessly with Sakura Mobile, your trusted companion for connectivity in the Land of the Rising Sun.”

2. Mobal Japan SIM Card

When it comes to hassle-free connectivity with excellent coverage, Mobal’s Unlimited Japan SIM Card stands out as an exceptional choice. With this convenient SIM card, available for durations of 8, 16, or 31 days, you can enjoy unlimited data on the SoftBank Network throughout your entire trip, eliminating concerns about data limitations or excess fees.

What sets Mobal apart is the versatility of their SIM card. Not only does it cater to your connectivity needs in Japan, but it also extends its benefits to other countries. This means you can maintain seamless connectivity even if your travels extend beyond the borders of Japan, all without the need to switch SIM cards.

Mobal offers Long Term Plans with Voice & Data SIMs starting at 1650 JPY. While Pocket WiFis are sold separately and require the purchase of a SIM card, they offer added flexibility for your connectivity needs. Compatible with most devices, Mobal’s SIM card ensures excellent coverage, even in more remote areas.

Choose Mobal for a stress-free and versatile connectivity solution, providing you with the freedom to stay connected across borders without the hassle of changing SIM cards. Elevate your travel experience with Mobal’s Unlimited Japan SIM.”

3. Prepaid SIM Cards

For savvy travelers mindful of their budget or those with specific data needs, prepaid SIM cards from companies like B-Mobile and Lycamobile present an excellent solution. These prepaid options offer competitive rates and customizable packages, allowing you to tailor your SIM card to suit your individual requirements.

With prepaid SIM cards, you have the flexibility to choose a set amount of data for a specified period, putting you in control of your expenses and avoiding any unexpected charges. While these options may not provide unlimited data like some alternatives, they are ideal for travelers who use minimal data or prefer relying on Wi-Fi hotspots for most connectivity needs.

Convenience is a key advantage of prepaid SIM cards – easily top up your data online or at convenience stores, ensuring you always have internet access when you need it the most. In Japan, you can find SIM cards at vending machines in Tokyo Airports, BIC Camera Stores, or your nearest convenience store. Alternatively, if you have a newer phone and prefer a digital solution, E-SIM Cards are available, eliminating the need to find a SIM card booth at the airport.

Choose affordability, flexibility, and convenience with prepaid SIM cards in Japan, providing you with the freedom to stay connected on your terms throughout your travels. E-SIM Cards are another option if you have a newer phone and don’t want to bother with finding a SIM Card Booth at the Airport.

4. IIJmio Japan Travel SIM Card

For travelers seeking competitive data plans and reliable connectivity, IIJmio’s Travel Japan SIM Card is a top choice. Specifically designed for tourists, this SIM card offers high-speed data and comes in various data sizes, allowing you to choose the one that perfectly aligns with your internet consumption needs.

Whether you’re a light user or someone who relies heavily on data, IIJmio provides flexibility with its range of data options. The Travel Japan SIM Card is compatible with most devices, ensuring that you can stay connected regardless of your smartphone or tablet model.

Convenience is key with IIJmio – easily top up your data as needed, allowing you to manage your connectivity without any hassle. Explore Japan with confidence, knowing that IIJmio’s Travel Japan SIM Card has you covered with competitive data plans and reliable high-speed internet access.

5. Stay Connected with Cutting-Edge Pocket Wi-Fi

In the realm of cutting-edge technology, Japan takes the lead, and their pocket Wi-Fi devices are no exception. Enjoy the luxury of blazing-fast 4G or 5G internet speeds on the go with a Japan pocket Wi-Fi . These compact devices effortlessly fit into your pocket or bag, ensuring that you stay connected wherever your ventures take you – from the vibrant streets of Tokyo to the serene temples of Kyoto.

Say goodbye to the stress of hunting for public Wi-Fi or grappling with language barriers to connect to local networks. With a Japan pocket Wi-Fi, you have your own personal hotspot, providing seamless connectivity without any hassles.

The convenience doesn’t stop there – most pocket Wi-Fi devices allow multiple connections. Share the internet connection with all your devices, whether it’s your smartphone, tablet, or laptop. Experience the freedom of staying connected on your terms with cutting-edge pocket Wi-Fi in Japan.”

Conclusion: Japanese SIM Card for Your Journey

Selecting the right Japan SIM card is a crucial step for a seamless travel experience. Whether you prioritize data volume, voice calls, or excellent customer support, the SIM cards mentioned above stand out as some of the finest options available for travelers. Stay connected, share your adventures, and make your Japan journey truly unforgettable with reliable internet access right at your fingertips.

Safe travels! Be sure to checkout my Full Japan Travel Guide . Mata ne (until we meet again).

Join Me As I Document My Travel Adventures Through Asia.

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Docomo Travel Sim Japan

Docomo Travel SIM Japan

Traveling in Japan can be a daunting and expensive task. Fortunately, one of the leading cellular providers in Japan, NTT DoCoMo, offers the perfect solution to visitors looking to reduce fees while still being able to make calls, send emails, use social media, or surf the web: their Travel SIM Japan. With DoCoMo’s Travel SIM Japan, customers can keep their existing phone and their current contract while temporarily accessing the blazing fast 4G speeds offered by DoCoMo.

DoCoMo’s Travel SIM Japan is incredibly easy to setup. Customers just insert the SIM into their device and immediately begin to enjoy 1GB of data and 200 minutes of talk time without ever worrying about going over their international roaming limit. Customers also get access to DoCoMo’s exclusive benefits such as VIP lounges, priority tickets, and complimentary WiFi hotspots.

DoCoMo’s Travel SIM Japan is one of the most affordable ways to stay connected while in Japan. Customers can take advantage of DoCoMo’s bundled packages that include 3GB of data per month for only 2,980 yen or an unlimited 4G LTE data plan for only 3,980 yen. In contrast, US travelers would be charged an exorbitant rate of $30 per GB—which is more than double the amount from DoCoMo.

What’s more, customers don’t even have to worry about “bill shock” when they return home, since the package plans end automatically after the date it was issued. DoCoMo also offers the option for customers to extend their package up to 10 days and use the data for their return trip home.

While customers should be mindful that DoCoMo’s Travel SIM Japan only supports GSM-based phones, it’s still a great option for travelers looking to stay connected while exploring the beautiful country of Japan. As DoCoMo’s official merchandise partner, DocoMo products are available through the U.S.A. and Latin America online stores, as well as major online retailers around the world.

Travel plans

DoCoMo’s Travel SIM Japan plans provide an unbeatable way to stay connected while roaming in Japan. With a simple one-time purchase, customers can avoid the hassle of multiple SIM cards while having access to reliable and cost-effective options. Customers can choose to purchase a plan with 1GB of data and 200 minutes of talk time, which is perfect for short trips; or they can buy the 3GB plan for multiple trips per month. DoCoMo also offers the option for customers to extend their packages up to 10 days and use the data for their return trip home.

In addition to the usual voice and data plans, DoCoMo also offers the availability to rent portable Wi-Fi routers, which allow customers to stay connected to the internet with up to three devices. Furthermore, customers can purchase an international calling card with access to local Japanese contact centers and customer service anytime and anywhere in Japan.

DoCoMo’s Travel SIM Japan is an attractive solution for ambitious travelers who choose to take advantage of the discounted rates of the company’s 3GB plan. They can save money while still being able to make calls, sending emails, using social media, and surfing the web with blazing fast 4G speeds.

Data protection

DoCoMo’s Travel SIM Japan offers customers a worry-free experience with their strict data protection policies. With DoCoMo’s Protect Plus app, customers can protect their SIM card from being tampered with, protect their data privacy, log out of their details from unknown devices, and backup all their data in case of theft or damage.

For added peace of mind, DoCoMo’s Travel SIM Japan also offers a 24/7 helpline to assist customers with questions or technical difficulties. Furthermore, customers have the additional option of purchasing a global roaming concierge service, which provides a variety of services ranging from data connectivity setup, secured financial transactions abroad, international internet connections, and instructions on phone usage for travelers.

DoCoMo’s Travel SIM Japan is a great way to ensure a stress-free, safe, and convenient experience while traveling to Japan. With their data protection policies, 24/7 customer service, and the most affordable 4G LTE plans in the world, DoCoMo is the perfect choice for travelers who want to stay connected without breaking the bank.

Roaming abroad

DoCoMo’s Travel SIM Japan provides customers with the perfect solution for staying connected while roaming abroad. DoCoMo’s Travel SIM Japan is the only SIM card that allows customers to make international calls while being billed in Japan. Furthermore, customers have access to DoCoMo’s additional benefits while abroad, such as access to their exclusive VIP lounges and priority tickets.

What’s more, DoCoMo’s Travel SIM Japan also supports a variety of handsets, including smartphones, tablets, and GPS navigation devices, ensuring that customers can stay connected regardless of where they are. DoCoMo even offers short-term options and rental services that allow customers to rent a phone for up to 30 days.

DoCoMo’s Travel SIM Japan is a great choice for travelers who need to stay connected while being abroad. With their comprehensive roaming service, customers can rest assured that they can stay in touch while receiving the best discounts for voice and data packages.

Automatic renewal

DoCoMo’s Travel SIM Japan plans are flexible and offer customers the ability to terminate their package plans at any time. Customers can also opt for the automatic renewal feature, which automatically extends their plan for 30 days. This is perfect for customers who plan on traveling for extended periods of time and need to stay connected. This feature also allows customers to avoid the hassle of having to login to their account to purchase a new package every month.

DoCoMo’s Travel SIM Japan is ideal for customers who need reliable and cost-effective options while roaming abroad. With the automatic renewal feature, customers can enjoy the convenience of monthly usage without any extra stress or effort. Additionally, customers also have the ability to opt out of this feature at any time, giving them greater flexibility with the plan.

DoCoMo’s Travel SIM Japan is a great option for travelers looking for a reliable and cost-effective solution while abroad. With their automatic renewal feature, customers have a worry-free experience and the peace of mind of knowing that their SIM card will stay active for as long as they need.

Activation process

Activation of DoCoMo’s Travel SIM Japan is easy and straightforward. Upon purchase, customers receive an email with their SIM card number and detailed instructions on how to activate their SIM card. Also, customers who choose to purchase the international roaming concierge service will receive a member card as well.

Once the initial email is sent, customers will then be asked to log into their account in order to activate their SIM card. This process only takes a few minutes. After log-in, customers should follow the instructions on the activation page and enter the necessary information.

Once customers have completed the activation process, they will have immediate access to their Travel SIM Japan service as well as the additional benefits offered by DoCoMo. The activation process is totally secure, and customers can rest assured that their data is safe and protected.

DoCoMo’s Travel SIM Japan is a great way to stay connected while roaming abroad without having to worry about a long and cumbersome activation process. With their easy and secure activation process, customers can rest assured that they will have access to their services in no time.

In-depth support

DoCoMo’s Travel SIM Japan offers unbeatable customer support for customers with questions or technical difficulties while navigating their services. With a team of experts specializing in customer service, DoCoMo’s support staff provides customers with professional and timely advice, in-depth troubleshooting, and comprehensive technical support.

DoCoMo customers also have access to their in-depth FAQs page, which provides detailed answers to common questions. This page also offers complementary support for customers that require additional assistance with their services. Additionally, DoCoMo also offers an online chat service, where customers can ask questions or get personalized support with their queries.

DoCoMo’s Travel SIM Japan is a great choice for travelers who need comprehensive customer service. With their extensive troubleshooting page, complimentary support service, and online chat service, customers can rest assured that they will have access to the expert help they need.

Margarita Nelson

Margarita M. Nelson is a Japan-based writer and researcher. She has written extensively on the culture, history, and current events of Japan for various publications. She holds an MA in Asian Studies from the University of Tokyo, and is currently writing a book on the history of the Ainu people of northern Japan.

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Press Releases

October 9, 2018

DOCOMO Adds "docomo Wi-Fi" to Prepaid SIM Service for Travelers to Japan

TOKYO, JAPAN, October 9, 2018 --- NTT DOCOMO, INC. (DOCOMO) announced today that it has added Wi-Fi® functionality to its Japan Welcome SIM TM prepaid SIM card service to provide travelers to Japan with fast and easy access to "docomo Wi-Fi" hotspots nationwide without any complicated set-up.

The new Japan Welcome SIM & Wi-Fi TM service provides access to docomo Wi-Fi secure public wireless LAN hotspots across Japan, including sightseeing spots, train stations, airports and cafes.

Despite improvements to Japan's public wireless LAN in the lead-up to 2020, a survey conducted by the Japan Tourism Agency found that the biggest complaint inbound travelers have when using Wi-Fi is the cumbersome authentication process. DOCOMO's authenticated SIM, however, overcomes this by seamlessly switching between the DOCOMO mobile network and docomo Wi-Fi hotspots.

In conjunction with the service enhancement, DOCOMO will begin offering "Plan XL", a 2 GB plan catering to customers seeking extra data and higher speeds, on October 9. The first 999 customers to apply can purchase the plan for just 1,944 yen, down from 3,024 yen (must be purchased during promotion period using coupon code).

Additionally, DOCOMO will extend its SIM card service by 5 days to 20 days in total for a limited time (promotion end date will be posted on website 150 days prior to final day).

In the lead-up to 2020, DOCOMO will continue supporting inbound tourism with communication services, AI-supported, useful tourism information and convenient mobile translation services, aiming to enhance the convenience and enjoyment of visiting Japan.

Service Scheme

Outline of Japan Welcome SIM & Wi-Fi

2. Service specifications

• Prior to receiving the SIM card, there is a requirement to watch certain advertisements and fill out a survey.
• This service is only available in certain areas. Indicated communication speeds are the maximum values based on technical standards and are not representative of actual communication speeds. Actual communication speeds may vary depending on the network environment and user's device.
• Wi-Fi is either a trademark or registered trademark of Wi-Fi Alliance.
• "Japan Welcome SIM", "Japan Welcome SIM & Wi-Fi" and "FOMA" are trademarks of NTT DOCOMO, INC.

Check your charges and data communications volume or apply for various procedures by My docomo.

• Tokyo Cheapo (繁體中文)

Your Prepaid SIM Card Options for Travel in Japan

You land in Tokyo and ride the train into the big city. Maybe you stand in the middle of Shibuya’s Scramble Crossing , delaying traffic while you take a selfie. Or you hit up a restaurant, pointing at a random photo on the menu and hoping the waiter gets what you’re trying to order. And when it arrives, the first thing you think is, “I need to post this to make my friends envious.” Here’s the lowdown on getting a Japan SIM for your visit, for your data and voice communication needs.

Note: This article is about SIMs for a short stay in Japan. If you’re planning on living in Japan or you’re here for an extended period of time, see our article on  Japan SIM contracts .

Short-term Japan SIM options for tourists

I’m here for a week or two and just need to update my status every dayyyyy.

That’s fine; if you order your SIM in advance, you can get online the minute you pick it up at the airport (all companies provide some form of airport pick-up). This isn’t an exhaustive list; just our top picks of prepaid Japan SIM cards. Keep in mind that some of them can be recharged with extra data.

More about the providers

Mobal: the only option with data + voice.

With the Mobal voice + data SIM , when your 7GB is up, data is still available at slower speeds. Top-ups can be purchased. 60-, 90-day and long-term packages also possible. If you’re traveling from China , you have access to a range of other prepaid packages . Free shipping to many countries, or pick-up at Narita or Haneda Airport, as well as Fukuoka, Kansai, Nagoya and Sendai airports and downtown Tokyo and Osaka. Similarly to all voice-calling products, the voice + data SIM carries a ¥ 2,970 initial fee, which is included. On the data-only SIM, speeds may be temporarily reduced if more than 3GB is used in a day.

Simcard Geek

Simcard Geek has other SIM plans available. There is free shipping to many countries, or pick-up at the post office at Narita Airport or at other major airports in Japan. Fair usage applies, and speeds may be temporarily reduced if more than 3GB is used in a day.

Sakura Mobile

Sakura Mobile SIM cards come pre-activated, so you simply plug and play. Longer-term SIM deals also available. Fair usage applies to data.

Called Japan Travel SIMs, IIJmio SIMs are available at airports and electronic stores countrywide. Prices are approximate, and the maximum (theoretical) speed is 788Mbps. SIMs can be recharged with extra data. Chinese language call center support is available.

Runs on the NTT DoCoMo network. SIM cards can be recharged with extra data. Delivery costs ¥ 370 to Japan airport post office, or ¥ 520 to a hotel/other accommodation. You can buy them at electronics stores and Aeon, too. SIM cards must be returned after use.

Voice + data vs. data-only travel SIMs

While data-only SIMs are often the default for travel these days, there are strong arguments for getting a SIM that allows you to make and receive calls and send/receive texts, from an actual Japanese phone number.

Making voice calls with a Japan travel SIM

With the exception of Mobal’s voice + data SIM , Japan’s SIM cards for short-term travelers are data-only, meaning you can’t call or text, or even receive phone calls. A partial workaround is to make VoIP calls through an app like Facebook Messenger, Skype, LINE or WhatsApp, but, as a group of tourists found out after driving their rental car into a ditch, this can be unreliable — we had to lend them our phone to call for roadside assistance.

Apps that require a Japanese phone number

Emergencies aside, you’ll need a Japanese phone number in order to use a number of apps locally — even if they can be downloaded outside of Japan. These include the following:

• Mobile Suica
• Yahoo! Japan

If you’re planning on using any of the above on your Japan trip, you’ll want to make sure you have ordered a voice + data SIM .

Buying a SIM card in Tokyo (or elsewhere in Japan)

Oops. Just ignored everything you said and went straight into town. Sorry.

No worries. Just look for a BIC Camera store (link in Japanese, but Shibuya, Shinjuku and Ikebukuro have quite a few) or Yodobashi Camera  (also in Japanese) and grab yourself whatever Japan SIM card seems like the best deal. Bic SIM cards are fairly popular, we hear. For more information, see our guide on where to buy a SIM card in Tokyo .

Once you’re in the shop, you can say to the staff: シムカードを探しています。私に合うのはどれですか？ Shimu kādo wo sagashiteimasu. Watashi ni au no wa dore desu ka? That translates to “I’m looking for a SIM card. Which one would be best for me?” Many stores will have English-speaking staff, to make things easier.

Japan SIM cards for tourists: Frequently asked questions

Got questions about Japan travel SIM cards? We have answers.

Which tourist SIM cards can I buy in Japan?

Mobal SIMs and Rakuten prepaid SIMs are among those you can order online when you are already in Japan. Other options include BIC Camera SIMs and IIjmio’s Japan Travel SIM, which you can buy at the airport. For more info, see our guide to buying a SIM card after arrival — while the focus is on Tokyo, it applies to all of Japan.

Where can I buy a Japan SIM card in Singapore, Malaysia, Hong Kong or The Philippines?

If you are traveling from one of the above areas, you can order a SIM card online and have it delivered before you leave for Japan, or—depending on the provider—pick it up at your local airport or landmark. For example, Mobal SIM cards can be collected at Singapore’s Japan Rail Cafe or the Nikkei Education Center in Hong Kong. There may be other options for your region.

How do I activate a Japan SIM card?

The exact steps depend on the provider, but generally it’s a matter of inserting the SIM into your phone and following the instructions provided. It doesn’t take long, and you should be able to start using it straight away.

Can I use an eSIM in Japan?

If you have a newer phone or tablet, you might be able to use a software-based eSIM card (instead of a physical SIM card) for your trip to Japan. Read more about eSIMs in Japan .

Where are the big companies like SoftBank, Docomo and AU?

As in most countries, there are network providers with their own retail brands, and smaller companies that operate on the networks of the big players like Docomo. You can get travel SIMs from the big players if you go into their stores, or order online from e.g. Amazon, but the smaller players usually provide the best value.

Alternatives to SIM cards for tourists in Japan

Wait a minute, this is TokyoCHEAPo, not TokyoEXPENSIVEo, you want me to pay actual money for a service? 

Not at all! You can be super cheap about data and use free wifi from teH giAnt Corporations. First up,  a coffee chain that I understand is quite popular with the kids, has free wifi, providing you register at the link above. Then, just pop into a store and away you go!

Sign up? That’s WAY too much work. 

OK, well, Apple happens to give out free wifi at various store locations with no login needed. And if there’s not one of those near you, the good ol’ Tokyo Metro provides free wifi too. AND if your home internet provider is part of the Fon network, you can use your own home internet login and passcode on Fon hotspots, which are practically everywhere in Tokyo. That’s not taking into account the myriad cafes and restaurants which also offer free wifi .

OK, calmed down now. Carry on.

It is worth pointing out a few other alternative solutions, too.

Renting a travel wifi router

First up, if you have more than one device that requires the net, or a few of you are traveling together, you may want to consider a portable wifi device from a rental provider like Ninja Wifi , who give our readers a 10% discount. You can pick these travel routers up and drop them off at airports for convenience, and they have generous data allowances. For a more in-depth take, see our popular  guide to renting a travel wifi router in Japan .

Pro tip: If you're traveling from Singapore , this portable 4G wifi router is probably the cheapest option. You can pick it up and drop it off in central Singapore. -->

Roaming in Japan

AND FINALLY, you may be pleased to know that some mobile networks outside Japan offer cheap roaming packages. For example, data is free in Japan for T-Mobile USA customers on one of their plans. Read the fine print carefully though, as your data speeds may be heavily throttled!

If a trip to the UK happens to be on the cards too, or you just want to wince at how pricey Japan is in comparison, check out our London Cheapo Guide to UK prepaid SIM cards and where to buy a SIM card in London .

Video explainer of SIMs for travelers to Japan

Information is subject to change. Article regularly updated. Last update: March 15, 2023.

閱讀中文版本: 日本旅遊 – 儲值SIM卡攻略

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Close without accepting

“Prepaid SIM for Travel” is a prepaid data-only SIM service for foreign visitors in Japan. Use data communication domestically in Japan.

Set by the retailer

SoftBank shop, consumer electronics store, SoftBank rental counter at the airport.

“Notes before Setup” Depending on your terminal's OS type and version, setup procedure and names of items may differ.

Setting and application is required before using the 4G prepaid sim.

• Step1.Insert the SIM card into your phone and set up "APN" setting.
• Step2.Register through following website (Prepaid SIM for Travel website).

Step1.APN setting

Android™ os.

Tap “Settings” in the Apps list.

In “Wireless & networks”, tap “More...”.

Tap “Mobile networks”

Tap “Access Point Names” → “+” in the action bar, and specify the “APN”, “Username”, and “Password”.

In the menu, tap “Save”, and select the APN set in the APN list.

In the home screen, tap “Settings”.

Tap “Cellular” → “Cellular Data Options” and turn on “Enable 4G”.

Step2.Register

From your terminal, enter the URL or scan the QR code to access the special Prepaid SIM for Travel web site.

• Turn WiFi off.

Confirm details of “Notes before Using this Service” and “Important Information”, checkmark “Agree”, and tap “Next”.

Complete the required items in the input screen, photograph an image of your passport, then upload it and tap “Next”.

After making sure there are no errors in the subscriber information you entered, tap “Apply”.

Once your application is processed, you will be able to use this service within 30 minutes.

• You may be ineligible to use this service depending on our criteria.

To purchase an additional plan

Access the special Prepaid SIM for Travel web site and tap “Plan purchase”.

• A plan can only be purchased after your subscription plan has ended.

Confirm details of “Notes before Purchasing a Plan”, checkmark “Agree”, and tap “Next”.

Enter information for your credit card to be used for settlement, and tap “Next”.

After making sure there are no errors in the entered information, tap “Purchase”.

Your application has been completed. You may use this service.

• This service can only be used with SIM-lock-free terminals.
• Activation procedure requires mobile phone with camera and a photo to be uploaded of your original passport.
• You must be at least 18 years of age to subscribe.
• This service uses the SoftBank network. Usable systems and frequencies for your terminal are the following. LTE: Band 1（2100 MHz）/ Band 3（1700 MHz）/ Band 8（900 MHz） / Band 41（2500 MHz） W-CDMA（3G）: Band 1（2100 MHz）/ Band 8（900 MHz）
• Credit card is required to purchase additional plan packets (VISA/MasterCard/JCB).

See Important Notes details

• Prepaid SIM for Travel

• Compatibility
• How to order

Easy and Flexible with eSIM!

• Finish everything online. No need to pick up a physical SIM!
• 1〜200GB　Data amount flexibility (From 1~ 200GB! Choose the amount of data you need)
• Usage period between 3 – 90 days (Use from 3 ~ 90 days!)
• English support provided everyday

The best Japan tourist eSIM

Sakura Mobile Japan Tourist eSIM has well-selected features for your trip to Japan. Features listed below are very useful for your smooth travel. With our eSIM, all you need to do is to have fun with your trip.

Features for travel

No1 Network in Japan.

Sakura Mobile operates under NTT docomo network, Japan's most chosen network since the beginning of cellphone history. Docomo has been developing solid network throughout the country since then. Stay connected in every part of Japan.

eSIM compatible phones

• iPhone 15 Pro Max
• iPhone 15 Pro
• iPhone 15 Plus
• iPhone 14 Pro Max
• iPhone 14 Pro
• iPhone 14 Plus
• iPhone 13 Pro Max
• iPhone 13 Pro
• iPhone 13 mini
• iPhone 12 Pro Max
• iPhone 12 Pro
• iPhone 12 mini
• iPhone 11 Pro Max
• iPhone 11 Pro
• iPhone XS Max
• iPhone SE 3 (2022)
• iPhone SE 2 (2020)
• iPad Pro 12.9" (3rd generation and later)
• iPad Pro 11" (1st generation and later)
• iPad Air (3rd generation and later)
• iPad 10.2 inch (7th generation and later)
• iPad (7th generation and later)
• iPad mini (5th generation and later)

Notes about Apple devices

• The following Apple devices are not compatible with eSIM: Apple watches, iPhones bought in China, Hong Kong and Macau.
• Galaxy A54 5G
• Galaxy A23 5G
• Galaxy Note20
• Galaxy Note20 5G
• Galaxy Note20 Ultra
• Galaxy S23+
• Galaxy S23 Ultra
• Galaxy S22+
• Galaxy S22 Ultra
• Galaxy S21 5G
• Galaxy S21+ 5G
• Galaxy S21 Ultra 5G
• Galaxy S20 5G
• Galaxy S20+
• Galaxy S20+ 5G
• Galaxy S20 Ultra
• Galaxy Z Flip
• Galaxy Z Flip 5G
• Galaxy Z Flip 3 5G
• Galaxy Z Flip 4
• Galaxy Z Flip 5
• Galaxy Fold
• Galaxy Z Fold 2 5G
• Galaxy Z Fold 3 5G
• Galaxy Z Fold 4
• Galaxy Z Fold 5

Notes about Android devices

• Depending on the country in which it was purchased, there was may cases where models featured in the above list are not compatible with eSIM. Please get in touch with your local carrier/local device brand store to ensure your devices are eSIM capable.
• Google Pixel 8 Pro
• Google Pixel 8
• Google Pixel 7a
• Google Pixel Fold
• Google Pixel 7 Pro
• Google Pixel 7
• Google Pixel 6a
• Google Pixel 6 Pro
• Google Pixel 6
• Google Pixel 5a (5G)
• Google Pixel 5
• Google Pixel 4a (5G)
• Google Pixel 4a
• Google Pixel 4 XL
• Google Pixel 4
• Huawei P40 Pro
• Huawei Mate 40 Pro
• HUAWEI P40 Pro 5G
• motorola Mobility moto g52j 5G
• OPPO (Reno7 A/OPPO A55s 5G/OPPO Find X3 Pro/Reno5 A/OPPO A73)
• Xiaomi (Redmi Note 11 Pro 5G/Redmi Note 10T/Xiaomi 12T Pro)

If your phone is not supported, please use a physical SIM card plan.

Pricing and Order

Select Start Date and End Date (Prices below do not include tax)

How to Order and Activate your eSIM

First, book your eSIM by choosing your usage dates in the calendar above.

2. Check e-mail

An e-mail will be sent to you right after your order is completed. Please access the QR code from the link inside the e-mail.

3. Activation

Use QR code and activate the eSIM. You will then be able to use it immediately.

How to Activate

Chosen by travelers

We are one of the top wireless service providers for your Japan trip. We consider ourself as a service provider, not a sim card seller. So, our goal is to provide reliable internet during your trip. Let us work in our field, and enjoy your time in Japan.

Reviews from customers.

Book online now or feel free to talk to us for more information.