- About GTN Mobile
- Price list ・ Plan
- Postpaid SIM
- Unlimited Data Plan
Unlimited 5G high-speed data - High-Speed Plan
Reliable and fast 5G network for a smooth experience. - Affordable Plan
Great cost performance, highly popular! - Premium Plan
Includes Accident Insurance
- Optional Features
- Campaign
- Support & FAQ
- Corporate Customers

Prepaid SIM
Data Only
SIM・eSIM
More details hereData + Voice
SIM・eSIM
More details here


Reason to choose
Large data capacity
Choose from
10GB to 135GB plansFlexible usage periods
Available for
7, 30, or 90 daysEasy application
Apply
with just a passportMultiple pickup options
Available at GTN stores,
Home delivery and Japanese airports
Recommended for
Short-term travelers ・
business tripsUsers needing temporary data
before a long-term SIM contractThose who only need data
without a phone number or SMS
Pricing
Plan | Data limit | Price | Usage period |
---|---|---|---|
Apply this plan |
10GB |
3,000 Yen |
30 days |
Apply this plan |
30GB |
3,000 Yen |
7 days |
Apply this plan |
50GB |
5,000 Yen |
30 days |
Apply this plan |
135GB |
10,000 Yen |
90 days |
- ※ All prices listed include tax.
- ※ Rates and available plans may vary depending on the store.
Important information
Payment | Prepaid |
---|---|
Initial processing fee | None |
Residency expiry requirements | None |
Data Options | Available for 10GB, 30GB, 50GB and 135GB |
Usage Period | Available for 7 Days, 30 Days and 90 Days |
Data top-up | Not available ※If the data limit is exceeded, the connection speed will be reduced to 200kbps. |
SIM type | eSIM / Physical SIM (Multi-cut) |
Network | 4G (LTE) & 3G *NTT DOCOMO |
Usage extension | Not available |
■【eSIM important notes】eSIM usage guidance here
- ・Device must support eSIM.
- ・Internet connection required for initial setup.
- ・Activation code is issued within 15 minutes after request.
- ・The activation code can be used only once and cannot be reissued. ※Even if deleted, it cannot be reissued.
- ・Must install the activation code within 2 days of issuance.
- ・If not installed, usage will automatically start on the 3rd day, counting towards plan days.
- ・iOS devices can generally connect to the internet after installing the activation code without requiring APN configuration. However, depending on the device model and iOS version, APN configuration may be necessaryPlease follow the user guide for setup instructions.
■【Physical SIM important notes】
- ・The service start date is the day the SIM card is inserted into a compatible device within Japan. Additionally, APN configuration is required for internet access. Please note that simply inserting the SIM card will not enable usage.
- ・A shipping fee of 700 yen applies for postal delivery.
■【Common precautions】
- ・If users exceed their data threshold, their maximum speed will be slowed to 200kbps.
- ・Usable devices: SIM-unlocked devices or SIM-free devices.
- ・For a list of devices that have been confirmed to work, please refer to this guide (Japanese only) Please note that the tests are independently conducted, and functionality is not guaranteed.
- ・Activation (start of use / issuance of activation code) cannot be processed during the carrier's maintenance period (Every Tuesday 22:00 ~ Wednesday 9:00 JST). Please use it after the maintenance period ends. However, the use of SIM cards that have already been activated will not be affected.
- ・Depending on the device used, tethering may not be available. There are no restrictions on tethering.
- ・The antenna signal will display as "IIJ."


*This SIM is available for in-store purchase only.
(Please bring your passport and a valid ID when visiting the store.)
Reason to choose
Data & Voice Package
Enjoy both mobile data and
voice calls.Japanese Phone Number
Use it for OTP verification and
other services.Ideal for Short to Mid-Term Stays
Plans available for 30, 60, or 90 days,
perfect for short- to mid-term stays.
Recommended for
Travelers or business
on mid to long-term visits.Those who need temporary data and voice services before
getting a long-term SIM contract.Users who require immediate
access to domestic calls
in case of emergency.
Pricing
Data Limit | 30 Days | 60 Days | 90 Days |
---|---|---|---|
10GB |
8,250 Yen |
14,850 Yen |
21,450 Yen |
30GB |
12,100 Yen |
19,800 Yen |
27,500 Yen |
- *All prices listed include tax.
Available Stores for Purchase
Important notes
Payment Method | Credit card only |
---|---|
Required Documents |
① In addition to a passport, any of the following ② A document issued by a foreign government or an authorized international organization recognized by the Japanese government or similar document *Only items that have your name and address listed and are valid at the time of presentation are accepted. Example: Driver's license, ID card *Must be valid at the time of purchase and have your name and address listed. |
Data Options | Available for 10GB and 30GB |
Usage Period | Available for 30 Days, 60 Days and 90 Days |
Domestic Call Charges | 22 Yen per 30 seconds (tax included) |
International Call Charges |
Non-taxable. *Please refer to NTT DOCOMO’s website, 'International Call Voice & Data Charges' (Japanese only). |
SMS Sending Charges | Domestic: 3.3~33 Yen (tax included)/ message |
International SMS Sending | 50~500 Yen (Non-taxable)/ message |
SMS Receiving | Free |
SIM type | eSIM / Physical SIM (Multi-cut) *eSIM available only at designated direct stores. |
Network | NTT DOCOMO 5G/LTE(4G) |
Usage Extension | Unavailable |
Tethering | Available *As no restrictions have been set, the service is generally available once the network settings have been configured. Please be advised that tethering functionality may not be supported on certain devices. |
International Roaming | Unavailable |
【Important notes regarding use of the service】
- ・Data Usage: When the data limit is exceeded, the maximum speed will be restricted to 200 kbps.
- ・Coverage Area: Available throughout Japan, but some areas do not support 5G.
- ・Network: Internet connection is available via 5G or LTE networks. Service quality may vary depending on location and time of use.
- ・Domestic Call Charges: 22 Yen (tax included) per 30 seconds.
- ・International Call Rates: Rates vary depending on the destination.
- ・Device Compatibility: Compatible with unlocked devices or SIM-free devices.
- ・Tested Devices: For a list of tested devices, please check here (Japanese only). However, this information is based on independent testing and does not guarantee compatibility.
- ・Returns & Exchanges: Returns and exchanges are not accepted after purchase.
- ・SIM Card Reissue: Reissuing is not available in case of loss, theft, or damage.
-
・Conversion to Long-Term Plan: By submitting the additional required documents, you may convert only to the “GTN Mobile Eazy” plan.
In that case, the important terms and conditions will also be migrated to those of “GTN Mobile Eazy” plan. - ・Inquiries & Applications: TEL: 03-5155-4673 Business Hours: 10:00 AM – 6:30 PM Closed: Open year-round (except New Year's holidays).