NewHow do I transfer from Y!mobile to another company (MNP)? [Mobile Number Portability (MNP)]
After issuing an MNP reservation number via My Y!mobile, by phone, or at Y!mobile shop, you will need to complete the procedure at the mobile phone company you wish to switch to.
NewI don't know SoftBank ID. How can I check it?
The method of checking differs depending on whether you have a current Y!mobile line contract or have already canceled it.
NewCan I change my phone number?
You can complete the procedure via My Y!mobile or at Y!mobile shop.
NewIn what format should the power of attorney be written?
Please download the PDF file and use it.
NewWhat exactly is an "identification document"?
This is a document that proves your identity, such as a driver's license. Please prepare the original, valid ID document. Depending on the document, you may be required to submit supporting documents such as a residence certificate.
NewI received an email to confirm my payment details. What is this email?
This email is sent to confirm that there are no errors in the procedure.
NewI have canceled SoftBank, but how can I check the remaining balance and number of payments for the model I purchased from SoftBank?
You can check your cancellation online within 90 days of cancellation.
NewI received a call from 0800-111-6681. What is the request?
We called customers who have purchased additional data from Y!mobile to inform them about a discounted plan change. If you are interested, please call us.
NewCan someone other than the contract holder carry out changes to the contract details at Y!mobile shop?
If the contract holder is unable to visit the branch, a family member living in the same household can complete the procedure on their behalf.
NewIf I pay the remaining balance of the device price in one lump sum, when is the billing month and payment due date?
The billing month and payment due date will vary depending on the date of your application.
SoftBank Corp.
1-7-1 Kaigan, Minato-ku, Tokyo