Japan eSIM
日本旅行・一時帰国・出張に便利な、日本対応eSIMサービス
Data amount guide by usage purpose
Please be sure to read before purchasing.
Important points for smooth use.
Check that your device supports eSIM
Please confirm in advance that your device is compatible with eSIM.
Check compatible devicesYour QR code will be sent by email
After purchase, we will send the QR code by email. If it does not arrive, please see below.
If you did not receive the email
Tip
Please scan the QR code and install your eSIM within 90 days of purchase.
After installing your eSIM,please start using it within 30 days.
What Is a Japan eSIM?
A Japan eSIM is a mobile data service designed for travelers, business visitors, students, and people returning to Japan for a temporary stay. There is no need to replace a physical SIM card. Simply scan the QR code provided after purchase to install the eSIM on a compatible iPhone or Android device.
JAPAN & GLOBAL eSIM offers data plans that can be used throughout Japan, including Tokyo, Osaka, Kyoto, Nagoya, Fukuoka, Sapporo, and Okinawa. You can choose a plan based on the length of your stay and the amount of data you need, allowing you to use Google Maps, transit apps, LINE, social media, and email as soon as you arrive in Japan.
Why Choose JAPAN & GLOBAL eSIM?
- No need to replace your physical SIM card
- Easy installation by scanning a QR code
- Coverage throughout Japan, including Tokyo, Osaka, Kyoto, Hokkaido, and Okinawa
- High-speed data in supported 4G and 5G coverage areas
- A range of plans for different travel durations and usage needs
- Suitable for short trips, long stays, business travel, temporary returns, and study abroad
- Customer support available in Japanese, English, Chinese, and Korean
Benefits of Using a Japan eSIM
No Need to Replace Your SIM Card
An eSIM allows you to add a mobile data plan directly to your smartphone without removing your physical SIM card. You can keep your current SIM card in the device while adding a separate eSIM for use in Japan.
Prepare Online Before Your Trip
There is no need to search for a SIM card at the airport or visit a physical store. You can purchase and install your Japan eSIM online before departure, then activate the eSIM line when you arrive in Japan.
No Portable Wi-Fi Device Required
Unlike rental Wi-Fi, an eSIM does not require you to carry, charge, collect, or return an additional device. You can access the internet directly from your smartphone, making it a convenient option for travelers who want to keep their luggage light.
How to Choose a Japan eSIM
When choosing a Japan eSIM, consider not only the length of your trip but also the data allowance, connection speed, tethering availability, and plan activation conditions.
- 3–5 days: Suitable for short trips
- 7–15 days: Suitable for vacations and business travel
- 30 days or more: Suitable for study abroad and extended stays
- For video streaming or tethering, a high-data or unlimited plan is recommended
For more information about pricing and plan durations, please see our Japan eSIM plans and pricing comparison.
How to Choose the Right Data Allowance and Plan Duration
When selecting a Japan eSIM, it is important to choose a data allowance based on your destination and the apps you plan to use, not only the number of days you will stay. Using Google Maps and public transportation apps in cities such as Tokyo, Osaka, and Kyoto requires less data than video streaming, online meetings, or tethering.
- Short trips: Suitable for maps, transit apps, LINE, and social media
- Trips of about one week: Suitable for frequent travel searches and social media posting
- Extended stays: Suitable for business trips, temporary returns, and study abroad
- High-data plans: Recommended for video streaming, online meetings, and tethering
For help estimating how much data you need, please see our data usage guide. You can also compare available options on our Japan eSIM plans and pricing page.
Japan-Wide eSIM Coverage
JAPAN & GLOBAL eSIM provides high-speed mobile data in supported coverage areas throughout Japan. You can stay connected in major cities and popular destinations, including Tokyo, Osaka, Kyoto, Yokohama, Nagoya, Fukuoka, Sapporo, and Okinawa.
The service supports a wide range of travel needs, including Google Maps navigation, public transportation apps, LINE, social media, video streaming, and online meetings.
How to Set Up Your Japan eSIM
- Select a plan that matches your travel duration and required data allowance.
- Check the QR code sent to you by email after purchase.
- Connect to Wi-Fi, scan the QR code, and add the eSIM to your device.
- Activate the Japan eSIM line after arriving in Japan.
- Enable data roaming for the eSIM line if required, then start using mobile data.
For detailed instructions, please see our eSIM setup guide. Before purchasing, check the list of eSIM-compatible devices to make sure your smartphone supports eSIM.
Who Should Use a Japan eSIM?
- Travelers visiting Japan
- People temporarily returning to Japan
- Business travelers visiting Japan
- Travelers who do not want to buy a SIM card at the airport
- People who do not want to replace their physical SIM card
- Travelers who do not want to carry a portable Wi-Fi device
- People who want internet access immediately after arriving in Japan
- People who want to keep their primary SIM active while adding a separate data line for Japan
Why an eSIM Is Recommended for Travel in Japan
- No need to buy a physical SIM card at the airport
- Quick setup by scanning a QR code
- Mobile data directly from your smartphone
- No portable Wi-Fi collection or return required
- Immediate access to Google Maps and public transportation apps after arrival
Comparing Internet Options for Travel in Japan
| Connection Method | How You Receive It | Extra Device Required | Setup | Recommended For |
|---|---|---|---|---|
| Japan eSIM | QR code delivered by email | No | Set up directly on your smartphone | Travel, business trips, and temporary returns |
| Prepaid SIM Card | Airport, store, or delivery | No | Physical SIM card replacement required | People who prefer using a physical SIM card |
| Rental Wi-Fi | Airport, store, or delivery | Yes, a portable Wi-Fi device | Connect your smartphone to Wi-Fi | Groups sharing one internet connection |
| International Roaming | Not required | No | Enable roaming in your phone settings | People who want to continue using their existing mobile plan |
A Japan eSIM is a convenient choice for travelers who want to avoid replacing a SIM card or collecting and returning a portable Wi-Fi device. When choosing a plan, compare not only the price but also the setup process, data allowance, coverage, and customer support.
View Japan eSIM Products and Plans
Frequently Asked Questions About Japan eSIM
When Should I Install My Japan eSIM?
We recommend installing your eSIM while connected to a stable Wi-Fi network before departing for Japan. However, activation conditions vary by plan, so please check the instructions provided at the time of purchase.
When Should I Scan the QR Code?
In most cases, we recommend scanning the QR code before traveling to Japan while connected to stable Wi-Fi. Display the QR code on another smartphone, tablet, or computer, then scan it with the device on which you want to install the eSIM.
Can I Set Up the eSIM Before Arriving in Japan?
Yes. You can add the eSIM to your device before arriving in Japan. After arrival, activate the eSIM line and enable data roaming if required to begin using mobile data.
Do I Need to Enable Data Roaming?
Many travel eSIM plans require data roaming to be enabled for the eSIM line. Keeping data roaming disabled on your primary SIM may help prevent unexpected international roaming charges.
Do I Need to Configure the APN?
The APN is configured automatically on many devices. However, manual APN settings may be required depending on the plan and device. Please follow the setup instructions provided after purchase.
Do I Need to Replace My Physical SIM Card?
No. If your device supports eSIM, you do not need to remove your physical SIM card. Check our list of eSIM-compatible devices to confirm compatibility.
Can I Use a Phone Number or SMS?
Data-only eSIM plans do not normally include a standard phone number, voice calls, or SMS. However, you can use internet-based calling and messaging apps such as LINE, WhatsApp, and Messenger. For plans that include a phone number, please see our eSIM plans with phone numbers and add-ons.
Can I Use Tethering?
Tethering availability varies by plan. When using tethering for a laptop, online meetings, or multiple devices, check both the tethering conditions and the available data allowance before purchasing.
How Many GB Do I Need for a Trip to Japan?
A smaller data allowance may be sufficient if you mainly use maps, transit apps, messaging, and occasional social media. A high-data or unlimited plan is recommended for video streaming, frequent social media use, online meetings, or tethering.
Does the Japan eSIM Support 5G?
5G availability depends on the selected plan, local network coverage, and your device. High-speed 5G service may be available in supported areas with a compatible device.
Can I Use the eSIM Immediately After Purchase?
After receiving the QR code, you can install the eSIM on a compatible device and prepare it for use. The actual activation time depends on the conditions of the selected plan, so please check the plan details before installation.
What Should I Do If My eSIM Does Not Connect in Japan?
Check that the eSIM line, mobile data, and data roaming are enabled. If the connection does not improve, restart your device, turn airplane mode on and off, and check the APN settings. For more information, please see our Japan eSIM troubleshooting guide.
Can I Use the eSIM in Tokyo, Osaka, and Kyoto?
Yes. You can use the service in supported coverage areas throughout Japan, including Tokyo, Osaka, Kyoto, Nagoya, Fukuoka, Sapporo, and Okinawa. Connection quality may vary depending on your location, network conditions, and time of day.
Conclusion: Choose the Right Japan eSIM for Your Trip
A Japan eSIM allows you to access the internet after arriving in Japan without replacing your physical SIM card or carrying an additional Wi-Fi device. Choose a plan based on your travel duration, data usage, and planned activities.
Before purchasing, confirm that your device supports eSIM and review the installation and activation instructions.
For detailed information about prices, data allowances, and plan durations, please see our Japan eSIM plans and pricing comparison.
eSIM (Embedded-SIM) は、QRコードを読みこむ事で、端末に直接カードをセットアップすることができる、「仮想」のカードです。
注意: ご購入後、QRコードを電子メールでお送りいたします。ご利用地にて、モバイル データ設定を完了したときにのみ QR コードをスキャンしてください。
- Please install your eSIM within 90 days of purchase. Please activate your data plan before it expires. We cannot reissue expired cards. Due to the nature of this product, cancellations, refunds, and changes are not permitted.
- Please make sure you have an eSIM-compatible device before purchasing. Refunds or cancellations cannot be accepted after purchase.
- The eSIM QR code can only be scanned once. After installation, please do not accidentally delete the eSIM.
- To stop using the eSIM, go to "Delete Mobile Plan" in your device settings.
- If you cannot connect to the internet after setting up your eSIM, please refer to the eSIM setup instructions above and check your device settings.
- When using eSIM, please delete any previous VPN configuration profiles.
