eSIM for Japan 5GB|21Days


NTT DoCoMo 4G LTE/3G Network

In stock



System maintenance notice
Due to system maintenance, issuance of activation codes will be suspended during the following period.

・July 21, 2024 22:00 – July 22, 2024 08:00 (JST)
・July 29, 2024 22:00 – July 30, 2024 09:00 (JST)

eSIMs activated outside of the above time period can be used without any problems.

Activation codes requested during the maintenance will be issued sequentially after the maintenance is completed.
There will be no impact on eSIMs that have already been activated.

We apologize for any inconvenience this may cause and ask for your understanding.



【 Instructions Before Use & How to Set up the APN can be downloaded from here. 】

We also have low-volume eSIMs available for connection testing. If you are unsure whether your device is compatible with eSIM, please consider using the trial plan (500MB/2 days).


Our eSIM is basically compatible with tethering, but some smartphone models may not be compatible.

If you are unsure, please call us at the number below for further confirmation.


【Customer Center】+81 50-5835-2190

English, Chinese, Korean, Japanese, Portuguese, Spanish(24hours)
Thai(JST.10:00a.m – 6:00p.m) Vietnamese, French, Russian, Tagalog(JST.10:00a.m – 7:00p.m)

・This service requires a device that is unlocked (SIM lock free).
・This service requires a device that supports one of the (band) frequencies 4G LTE: (Band 1) 2,100 MHz; (Band 19) 800 MHz; (Band 21) 1,500 MHz; (Band 3) 1,800 MHz (some metro areas in Tokyo, Nagoya & Osaka) 3G: WCDMA/HSPA (Band 1) 2,100 MHz; (Band 19) 800 MHz.
・This service provides data communications only. Voice services like phone calls, SMS and MMS are not supported.
・This service provides mobile communications using the NTT DoCoMo network, at the theoretical maximum speeds advertised for each plan. Actual transmission speeds may vary, depending on the communications environment and your usage.
・This service does not permit the lending, renting or reselling of your service purchase to third parties.
・This service does not accept exchanges, returns or refunds after purchase, under any circumstances.