Foreigner SIM Cards Convenience Stores | [Updated for 2025] Complete Guide to Purchasing SIM Cards for Foreigners at Convenience Stores

1. Features of SIM cards that can be purchased at convenience stores

SIM cards sold at convenience stores are "prepaid" cards aimed primarily at foreign visitors to Japan. These have the following features:

Basic mechanism and characteristics

A prepaid SIM is a SIM card that allows you to purchase a predetermined amount of data and use period in advance. Unlike contract-type plans that incur monthly fees, you will not incur any costs beyond the amount paid at the time of purchase. Most prepaid SIMs are provided by MVNOs (Mobile Virtual Network Operators), which operate by renting the networks of major mobile phone companies, and data communication can be used throughout Japan.

Main features of prepaid SIM

• Prepaid : Purchase a pre-determined amount of data and period in advance, making it easier to manage your budget
• No contract required : No need for complicated contract procedures or screening, just bring your passport to purchase
• Immediate availability : Most products can be used immediately after purchase (some setup required)
• Limited time : Most products have a time limit, such as 7 days, 15 days, or 30 days.
• Data only : Most do not have voice calling capabilities (data only), some have SMS capabilities
• Multi-size compatible : A card format that supports three sizes: standard SIM, microSIM, and nanoSIM is common.
• Multilingual support : Often comes with instructions in English, Chinese, Korean, etc.

Difference between general contract and prepaid SIM

Normally, to sign a mobile phone contract in Japan, you need to have identification, a Japanese address, a bank account, etc. On the other hand, prepaid SIM cards do not require these requirements, so they have the great advantage that even foreign tourists can easily purchase one and start using it right away.

2. Benefits for foreigners to purchase SIM cards at convenience stores

Purchasing a SIM card at a convenience store has many benefits for foreign travelers.

① Easy access and available 24 hours a day

As the name suggests, Japanese convenience stores are known for their convenience. There are tens of thousands of stores across the country, most of which are within walking distance. The following points in particular offer great benefits to foreign travelers:

• Overwhelming number of stores : The three major companies, Seven-Eleven, FamilyMart, and Lawson, have over 50,000 stores nationwide.
• 24-hour service : Travelers arriving late at night or leaving early in the morning can make purchases
• Easy access : Many stores are located near tourist spots and train stations, making them easy to access from anywhere during your trip.
• Emergency response : Can handle sudden internet connection needs

This service is available even when airports and electronics stores are closed, providing a great sense of security to passengers on international flights, many of whom arrive at night.

② Ease of purchasing procedures

Purchasing a SIM card at a convenience store is a simple process, making it convenient for foreigners visiting Japan for the first time.

• Purchase at the register : Just like any other product, you can complete your purchase by paying at the register.
• No need to fill out any paperwork : No need to fill out any complicated contract documents
• No passport verification required : For most products, you do not need to show your passport when purchasing (may be required when opening the website)
• Various payment methods : Cash, credit cards and debit cards of international brands are accepted.
• English support : Most convenience stores can communicate in simple English

Another major advantage is that there is less of a language barrier compared to communication counters in electronics retailers or mobile phone shops.

③ Wide variety and price range

There are a variety of SIM cards available at convenience stores to meet the needs of foreign travelers.

• Various plans : From short-term stays of about one week to medium- to long-term stays of more than one month
• Data capacity options : Various capacity options available, from 1.5GB to over 50GB
• eSIM-compatible products : In addition to physical SIM cards, the number of products that support the latest eSIMs is increasing
• Global compatibility : Some stores sell global SIM cards that can be used not only in Japan but also around the world.
• Reasonable price range : For short-term use of about one week, you can purchase it for around 2,000 yen

④ Immediate availability of in-store stock

Unlike purchasing online, convenience stores have the advantage of providing instant access to products.

• No waiting time : No waiting time between ordering and delivery
• Easy stock check : You can check the product in store before purchasing
• Immediate activation : You can set it up and start communicating immediately after purchase.
• Flexible travel schedule : We can accommodate sudden changes in plans on the spot

3. 3 Recommended Prepaid SIM Cards Sold at Convenience Stores

Here is a detailed introduction to the major prepaid SIM cards that can be purchased at convenience stores as of 2025.

1. Japan Travel SIM

Japan Travel SIM is a representative prepaid SIM for foreign visitors to Japan provided by IIJmio. It is sold mainly at NewDays and is popular with short-term travelers.

Main Features:

• Offers both SIM card and eSIM types
• Available for purchase at over 53,000 stations and airports nationwide
• Multilingual support pages available in English, Chinese, Korean, etc.
• Easily set up APN using a QR code
• Web activation procedure required (passport information registration)
• Data capacity can be recharged
• Stable communication using Docomo's high-quality lines

Recommended for: Short-term tourists who mainly use map apps and social media. For travelers who travel a lot by train, NewDays is a great place to shop.

2. IIJmio Selectable SIM Card

IIJmio's Eraberu SIM card is a popular prepaid SIM that can be purchased at FamilyMart and Lawson. It offers a wide range of large capacity plans, especially for long-term residents.

Main Features:

• Offers a variety of types including SIM, eSIM, and SMS compatible
• eSIM can be easily set up using a QR code
• Data capacity recharge
• Settings are available in 6 languages ​​(Japanese, English, Chinese, Korean, Thai, and Vietnamese)
• An internet connection is required to complete the application process.
• Credit card payment accepted
• A good balance between data volume and duration, and excellent cost performance

Recommended for: Medium to long term visitors and those who tend to use a lot of data. The large capacity plans are especially useful for those who frequently use social media and streaming services. Another attractive feature is that you can recharge your data if you run out of data during your stay.

3. BIC SIM Selectable SIM Card powered by IIJ

BIC SIM, which was created through a partnership between Bic Camera and IIJ, can also be purchased at some convenience stores. Thanks to collaboration with electronics retailers, there is a solid support system in place.

Main Features:

• SIM/SMS compatible, supports three SIM sizes
• Can be used for data communication only
• An internet connection is required to apply
• Credit card payment accepted
• Support is also available at Bic Camera.
• Highly customizable pricing plans

Recommended for: People who are considering buying a SIM card along with home appliances and gadgets, and people who want to receive support from Bic Camera in case of trouble. It is also an option if you want an SMS function.

4. SIM card sales status by convenience store

We will provide a detailed explanation of the SIM card sales situation at major convenience store chains in Japan.

Family Mart

FamilyMart is a convenience store chain that actively handles prepaid SIM cards for foreign visitors to Japan. They have a wide selection of products, mainly in urban stores.

Product:

• IIJmio Selectable SIM Card
• JAPAN&GLOBAL SIM

Features:

• Many stores have special displays aimed at foreign visitors to Japan.
• Manuals and support pages available in 5 languages ​​(English, Chinese, Korean, Thai, Japanese)
• Selling SIM cards that are not only for domestic use but also for global use
• The number of stores where staff can provide guidance in simple English is on the rise

Purchase Notes:

• Some products require an internet connection to complete the application process.
• For entry package types, the SIM card may be mailed to you at a later date.
• Some products require credit card payment
• Please be careful not to confuse some products with SIM cards and recharge cards.

Lawson

Like Family Mart, Lawson is also focusing on handling SIM cards for foreigners. They tend to be particularly easy to purchase at Lawson stores in urban areas and tourist destinations.

Product:

• IIJmio Selectable SIM Card
• Other prepaid SIMs (region limited)

Features:

• Multi-carrier SIM available
• Many stores have POP and guides in foreign languages.
• English-speaking staff will be placed in stores in areas with many foreign visitors to Japan.
• The number of duty-free stores is increasing

Purchase Notes:

• The products available vary by store
• Stock may be limited at stores outside major tourist destinations
• Some recharge-only cards cannot be used without the initial SIM purchase.

Seven-Eleven

Seven-Eleven sells prepaid SIM cards only at select stores, especially those near airports and major tourist destinations.

Product:

• INPLUS Prepaid SIM (only available at some stores, such as the Narita Airport Terminal 2 B1F store)

Features:

• Sales will be focused on stores frequented by many foreign tourists, such as those at Narita Airport.
• Easy to understand with multilingual package design
• It is the chain with the largest number of stores, so you can rely on it in emergencies.

Purchase Notes:

• Not all stores sell it, so it is sold at a limited number of stores.
• Stock may be unstable even at participating stores
• Prior confirmation of the store is required

NewDays (Convenience store inside the station)

NewDays, which are located inside JR stations, mainly stock Japan Travel SIM cards, and are particularly convenient for travelers who frequently travel through stations.

Product:

• Japan Travel SIM

Features:

• Located inside the JR station, you can purchase items while traveling by train.
• They are often installed at stations closest to major tourist destinations.
• Easy access for foreign tourists who use trains frequently
• Many stores are open from early morning until late at night

Purchase Notes:

• Not all stores carry this product, so please check beforehand.
• Opening hours vary depending on the store
• During busy times, it may take some time to make a purchase.

5. How to use and set up the SIM card

We will explain the specific setup steps for using a prepaid SIM card purchased at a convenience store.

Things to check before purchasing

Before purchasing a SIM card, be sure to check the following points:

1. Device SIM lock status : The device you are using must be SIM-free or unlocked.
2. Device frequency compatibility : Compatible with Japanese communication bands (especially LTE bands 1/3/19/21)
3. Required SIM size : SIM size that fits your device (most products are multi-size compatible)
4. Data required : The amount of data you plan to use during your stay (maps/SNS/videos, etc.)
5. Special feature needs : Do you need SMS capabilities?

Detailed setup instructions for iPhone

These are the general setup steps for using a prepaid SIM with an iPhone. Some steps may differ depending on the product, so be sure to check the instructions included with the product.

1. Preparing the SIM card

• Remove the purchased SIM card from the cardboard
• Cut it to the size that fits your iPhone (usually a nanoSIM).
• Use a SIM pin (or paperclip) to remove your iPhone's SIM tray

1. Inserting a SIM card

• Place the card in the SIM tray with the metal part facing down
• Return the tray to the iPhone
• The iPhone will restart or try to connect to the network.

1. Verifying the Basic Configuration

• Open the Settings app
• Select "Mobile Communications"
• Check if the SIM card is recognized correctly (the carrier name is displayed)
• Make sure "Mobile Data" is turned on

1. APN setting

• Select "Settings" → "Mobile Communications" → "Mobile Data Options" → "Mobile Data Network"
• Enter the APN information listed in the SIM card manual.
• Typical input fields: APN address, username, password (often blank)

1. Enabling Data Communication

• "Settings" → "Mobile Communications" → "Data Communication Options"
• Turn on "4G" or "LTE"
• Select "Voice and Data" or "Data only"

1. Web activation procedure (if necessary)

• Connect to WiFi and access the dedicated page (read the QR code)
• Enter your passport information etc.
• Complete the activation procedure

1. Operation check

• Turn off WiFi and use mobile data only
• Open your internet browser and check your connection
• Check your internet speed with a speed test app

Detailed setup instructions for Android

This is the general setup procedure for using a prepaid SIM on an Android device. Screens and menu names may vary depending on the model.

1. Preparing the SIM card

• Remove the purchased SIM card from the cardboard
• Cut to the size that suits your device
• Remove the tray with a SIM pin (depending on the model)

1. Inserting a SIM card

• Place the card in the SIM tray in the correct orientation
• Return the tray to your Android device
• The device will restart or try to connect to the network.

1. Verifying the Basic Configuration

• Open the Settings app
• Select "Network and Internet" or "Connections"
• Select "Mobile networks" or "SIM cards and mobile data"
• Check if the SIM card is recognized correctly

1. APN setting

• Select "Access Point Name" or "APN"
• Tap "+" or "New APN"
• Enter the APN information listed in the SIM card manual.
• Enter the following information:
  • Name (optional, for identification purposes)
  • APN (Destination Address, important)
  • MCC (usually 440 in Japan)
  • MNC (by carrier)
  • Username and password (if provided)
  • Authentication type (if specified)
• Save and select the newly created APN

1. Enabling Data Communication

• In the "Mobile Network" settings, turn on "Enable Data Communications"
• Select "4G/3G/2G" or "LTE" under "Preferred network type" or "Network mode"

1. Web activation procedure (if necessary)

• Connect to WiFi and access the dedicated page (read the QR code)
• Enter your passport information etc.
• Complete the activation procedure

1. Operation check

• Turn off WiFi and use mobile data only
• Open a web browser and check the connection
• Reboot your device if necessary

troubleshooting

This is a point to check if you still cannot connect to the Internet after setting it up.

1. Basic checks

• Is the SIM card inserted correctly?
• Is mobile data communication turned on?
• Is Airplane mode turned off?
• Data roaming is turned on (required for some devices)

1. Double-check your APN settings

• Is the APN address entered correctly?
• Pay attention to uppercase/lowercase and full-width/half-width characters
• Is there any extra space?

1. Restart your device

• You may need to restart your device after changing the settings.

1. Confirmation of activation procedure

• If the product requires web activation, has the procedure been completed?
• Did you wait for the line to open (usually a few minutes to 30 minutes)?

1. Contact Support

• Contact the support desk listed in the included manual.
• Multilingual support available (English, Chinese, etc.)

6. Important points for foreigners to know

We will explain in detail the points that foreigners should pay particular attention to when purchasing a SIM card at a convenience store.

① Check device compatibility

Smartphones used in Japan must meet the following conditions.

• SIM unlock : If your SIM is locked by your home country's carrier, you will not be able to use your Japanese SIM card.
• Frequency band compatibility : Japan mainly uses LTE bands 1 (2100MHz), 3 (1800MHz), 19 (800MHz), and 21 (1500MHz).
• Supports three SIM sizes : Standard SIM (25mm x 15mm), microSIM (15mm x 12mm), nanoSIM (12.3mm x 8.8mm)
• Technical standards : Compatible with FDD-LTE and W-CDMA (3G)
• Tethering function : If data sharing is required, the device must support tethering

Please be aware that older devices and models specific to certain countries or regions may not be compatible with Japan's frequency bands.

② Select data capacity and period

These are the key points to choosing the appropriate data capacity and period.

Average usage :

Light usage (maps, emails, SNS texts): Approximately 100-300MB per day

Moderate usage (posting photos on social media and watching light videos): Approximately 500MB to 1GB per day

Heavy usage (video calling/watching videos): Approximately 1.5GB to 3GB per day

Choose the one that suits your travel style :

Short-term sightseeing (up to 7 days): Plans with 3GB to 5GB

Medium-term stay (up to 15 days): Plans for 5GB to 10GB

Long-term stay (up to 30 days): 10GB - Unlimited plan

For business purposes: Plans with more data or SMS capabilities

Also, if you choose a rechargeable type, you can purchase additional data when you run out of data.

③ Understanding the activation procedure

Many prepaid SIM cards cannot be used simply by inserting the SIM card; you may need to go through the following activation procedures.

• Web activation : Access the dedicated website in a WiFi environment and enter the information
• Phone activation : Call a specific number to complete activation
• Activation via app : Download the dedicated app and set it up

Please note the following points regarding these procedures:

③ Understanding the activation procedure (continued)

Please note the following points regarding these procedures:

• Prepare passport information : When opening a website, you will often be asked to enter your passport number, nationality, etc.
• Secure a WiFi environment : In many cases, a separate WiFi environment is required to complete the activation procedure.
• Check your language options : Many offer multiple languages, such as English, Chinese, and Korean, but not all languages ​​are available.
• Waiting time until activation : It may take several minutes to 30 minutes from the completion of the procedure until you can actually use the service.
• Prevent input errors : Mistakes when entering information can cause activation errors and delays.

To ensure the activation process goes smoothly, we recommend that you have your passport ready and work in a calm environment. At some convenience stores, you may be able to use the free Wi-Fi available in the store to complete the activation process.

④ Check the store where the product is sold

Not all convenience stores sell SIM cards, and there are some characteristics to note:

• Differences by chain : Family Mart and Lawson have many products, while Seven-Eleven only has some stores
• Regional differences : Most stores in major cities and tourist destinations, such as Tokyo, Osaka, Kyoto, Sapporo, and Fukuoka
• Great selection around the airport : Shops around Narita, Haneda, Kansai International Airport, etc. have a great selection of products
• Advantages of Station Stores : They are especially popular in stores inside stations where the Shinkansen stops and around major tourist spots.
• Seasonal fluctuations : Stock shortages may occur during peak inbound tourist seasons.

It is especially important to check in advance where you plan to buy the product, as it is often not available at small stores in suburban or rural areas. You may also be able to search for stores that carry the product on the websites of major convenience store chains.

⑤ Understanding SIM sizes and eSIMs

SIM cards used in modern smartphones come in several sizes, and eSIMs, which do not require a physical card, are also becoming more common.

Physical SIM size comparison:

Physical SIM vs. eSIM:

Many SIM cards sold at convenience stores are sold as "multi-size" cards, and you can cut them to the size you need. Once cut, they cannot be put back together, so you need to be careful.

In addition, an increasing number of the latest smartphones are compatible with eSIM, and it is becoming more common to purchase eSIM packages with QR codes at convenience stores. With eSIM, there is no need to insert a physical SIM card; the setup can be completed simply by scanning the QR code, making it very convenient.

⑥ Difference between recharge cards and SIM cards

One thing that foreigners visiting Japan for the first time often get confused about is the difference between a "recharge card" and a "SIM card itself."

Key differences and things to note:

• Recharge card : A card for adding data capacity or usage period. Cannot be used without the SIM card itself.
• SIM card : A physical card or eSIM required for communication.
• How to identify the package : If the package has words such as "Recharge," "Add-on," or "Coupon" on it, it is a recharge card.
• Price difference : Recharge cards are generally cheaper (around 1,000 to 2,000 yen)
• Products to watch out for : The "IIJ mio coupon card" is not a SIM card but is for recharging only.

Convenience stores often sell both types of product, so it's important to check the packaging carefully before purchasing. If you're unsure, it's a good idea to ask the staff if the SIM card itself is included.

7. Understanding communication speeds and limits

Prepaid SIM cards may have restrictions on data speeds and usage. Understanding these in advance can help you avoid inconveniences while traveling.

Main limitations and features:

• Communication speed limit : In most cases, up to 150Mbps (in reality, it is often lower)
• Daily limits : Some plans have daily limits on usage (e.g. 500MB per day)
• Speed ​​restrictions : When you use up your data, you will often be limited to a slower speed such as 128kbps.
• Tethering restrictions : Some SIMs prohibit or restrict tethering (sharing with other devices).
• App Restrictions : The use of some apps (such as calling apps) may be restricted.
• Not available overseas : Only available in Japan, so cannot be used when traveling to neighboring countries

It is especially important to be aware that watching high-definition videos and downloading large files can quickly consume data. By being mindful of your data usage while traveling, you can prevent exceeding your data limit by limiting your use of map apps and social media to the bare minimum.

Purchasing a SIM card at a convenience store is a convenient option for foreigners visiting Japan. Taking advantage of the 24-hour service, you can set up a connection as soon as you arrive at the airport or even late at night. However, not all convenience stores carry SIM cards, so try to find them in major tourist areas and convenience stores in urban areas.

Use the information presented in this article to help you choose the best SIM card for you and enjoy a comfortable stay in Japan.