PlansAdditional ServicesUser GuideSupport
Apply for Activation
Please select your desired activation process and SIM type.
Activation Procedure

  • The Business Plan is designed for Koreans conducting business in Japan.

  • You can subscribe without a long-term visa or My Number card, and the plan includes an unlimited calling option.

New Activation (Issuance of a new phone number)

SIM Selection

Please select the type of SIM card to use.

ESIM

tt mobile does not support Softbank eSIM.

USIM

Select Authentication Method

Please select the method to proceed with personal authentication.

My Number Card Authentication

PASS Authentication

Please prepare in advance!bell
tt mobile Account

You need to have an account on our site to proceed with the activation.

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Required Documents Guide

Check the additional documents required for business plan activation.

Check if the device is compatible

Make sure your smartphone is compatible.

Unlock SIM

Make sure you can proceed with the SIM unlocking process.

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Login is required to activate the service.

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