My Y!mobile is a membership service that allows you to check your usage charges, as well as confirm and change your contract details.
We will provide you with detailed information on how to use it!
To access My Y!mobile, you will need the SoftBank ID you want to check (Y!mobile mobile phone number or alphanumeric ID) and password.
If you are using this service for the first time, please prepare your Y!mobile mobile phone number and PIN (4 digits).
How to check your phone number
You can check this month's data usage and communication speed and make various changes.
You can check the remaining amount of data before your communication speed slows down.
If you exceed your basic data limit, you can reserve your data to maintain normal speeds without slowing down.
Even if you exceed the data capacity of each applicable rate plan, data capacity will be automatically increased, so your communication speed will not slow down and you can maintain high-speed data communication.
You can check your monthly usage fees and change your payment method.
You can check the fees and billing amount before it is confirmed.
You can check how to issue an invoice and check your call details.
You can check and change your payment method.
You can change your rate plan, add optional services, check your contract information, and more.
You can change your contract address and billing address.
Learn how to change your contract address or billing address
You can check and change the details of your contract, such as your rate plan and optional services.
You can check the history of when you used "Y!mobile consolidated payment" for online shopping payments, etc.
You can check your purchase history for digital content and shopping charges.
You can change various settings related to email.
You can change your email address and change your spam settings.
You can suspend or cancel your mobile phone line if your phone is lost or stolen.
By linking your Y!mobile contract with the PayPay app, you can use PayPay (balance/points) to pay for your mobile phone bill.
You can set it up to notify you by email if your usage exceeds a set amount.
You can check the usage status of corporate customers.