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Before visiting a shop

When you come to the shop for new service contract sign up, change of service information, purchase of a device, etc., please be sure to bring the following items/documents.

Requirements for service sign up or purchasing device

In accordance with the Installment Sales Act, there may be cases where SoftBank will ask for your income and other information. Students, housewives and other customers who do not have an income will need to provide their family income, so please either, come to the shop with the householder, or make preparations so the householder can be contacted over the phone when applying at the shop.

  • Verification of your income is required by law according to Article 35-3-3 of the Installment Sales Act.

For New contract and Switchover (MNP: Mobile Number Portability)

Personal identification

Credit card/
Cash card

MNP reservation number

Your name seal

You can also conclude the contract with your signature.

For Upgrading

Personal identification

Your SoftBank mobile phone

Your name seal

You can also conclude the contract with your signature.

  • If the contractor is a minor, separate documents will be required. For details, please check the "Identification documents" page.

For information change of service subscription, etc.

Personal identification

Service registration fee

Applicable for new, upgrade and switchover contracts.

For new and switchover (MNP: Mobile Number Portability) contracts

Service registration fee ¥3,300
  • The fee will be added to your first bill.
  • Customers with switchover (MNP) contracts can use Mobile Number Portability when switching to SoftBank, so there will be no fees for switching carriers.

For Upgrading

For upgrading to 3G, 4G and 4G LTE ¥3,300
For upgrading to the same generation model ¥3,300
  • The fee will be added to your first bill.
  • If you have a remaining balance on installments on your current device and decide to upgrade, you will continue to pay the balance until it is paid off.
  • If your USIM card needs to be reissued, a ¥3,300 fee will be added to your first bill.

How to purchase or reserve

You can buy a mobile phone online or at SoftBank shop near by.

See details

Find out more