Check/Change the Payment Method
You can check or change your registered information in My Page.
See the following page for more details on payment method.
To check your payment method
After logging into My Page, find your payment method in Customer Information page.
To change your payment method
After logging into My Page, make a change request via Change payment method in the bottom of the page.
If you are making your payment through Billing by NTT or KDDI, and wish to change your payment method using the same billing service, please take the necessary procedure with the respective company.