Where to purchase

Official site Yodobashi Camera BIC Camera AEON
Online store Online store Online store Retail store Retail store Retail store
2-3 days 5-9 days 1-2 days - - -
7 major Airports - - - - -
English English Website English Website - English shop assistant English shop assistant -

The latest news

Jul. 5, 2019
b-mobile Helpdesk will close on July 15th.
Apr. 25, 2019
NEW Visitor SIM now on sale and price down! We have created 5GB/ 10 days for short term travelers and 7GB/ 21 days for long stay travelers.


Sales Period

New VISITOR SIM will be sold limited until the end of September 2019.

Compatible Device

To use VISITOR SIM your device needs to have the following 3 requirements.
1) Your device must be UNLOCKED.
2) Your device must be able to use LTE.
LTE Band 1 (2100MHz), Band 19 (800MHz), Band 21 (1500MHz)
W-CDMA/HSDPA/HSUPA Band 1 (2100MHz), Band 19 (800MHz)
3) Your device must be safe to use in Japan. No assure your device is safe to use in Japan, please go to docomo's web site and see if your mobile phone carrier is docomo's roaming partner or not. NOTE: iPhones and iPads have Type Approval marks which assure device's safety that you do not need to check this. Docomo website (You'll jump to docomo's page. Click on the PDF link and find your mobile phone carrier)

Service Start Date

Purchased from this website
You can use the service from the delivery date you choose. The Service period countdown will start automatically from next day. Important : The service period countdown will start whether you have received the package or not.

Purchased from local stores
You can use the service after you completed the settings to your device. Service Period countdown will start from the day after your first internet connection.

Refund & Cancellation

Once an order is completed, issuing ECX number, we will not provide refunds or cancel orders for any reason.


Please refer to the link below regarding activation and setup for "VISITOR SIM 5GB/21days".

Note : "VISITOR SIM 5GB/21days" is no longer on sale.

Steps after purchase for iOS
Steps after purchase for Android