Y!mobile
For those considering
First Contract
Switching from another company
Change of device

Customer Support (Inquiries)

notice

Please select a menu.
Chat and phone solutions available
We will guide you.

   

Fees

Unpaid fees and payment status confirmation​ ​fees
Check the fee breakdown
Check and change your monthly payment method
Consultation regarding unclear charges

Fees and Payment

Other fees and payments

  • Check your invoice (item breakdown)
  • The reason for the increased price
  • Regarding SoftBank M's billing
  • Confirmation of payment in installments for the device price
  • Check call charges
  • If you can't make a payment
  • Change your consolidated payment settings
  • Check charges after cancellation/switching
  • Applying for or canceling invoices (by mail)
  • If you can't pay by the deadline
  • Consolidated payments not available
  • How to combine and separate bills for multiple lines
  • Check your consolidated payment history
  • Checking payment due date

contract

Cancellation and Transfer (MNP)​ ​Contract
Confirm/change address

Confirmation and changes to other contracts

Confirmation and changes to other contracts

  • Check and change your rate plan
  • Procedures for various options
  • Confirmation and change of contract name
  • Check data usage
  • Purchase additional data
  • Check the options
  • Check the price plan types
  • Applying for Family Discount Service
  • Check the application status of family discount services
  • Apply for Ouchiwari
  • Check current campaigns and discounts
  • Check the application status of Ouchiwari
  • Check and change billing information
  • Check the renewal date

operation

Operation and Settings

Operation and Settings

  • Data migration method
  • SIM unlock status and method
  • How to set up @yahoo.ne.jp email
  • How to send and receive SMS
  • Initial setup method (SIM only contract)
  • Settings after product arrival (model change)
  • How to use your email address after cancellation
operation

defect

defect

  • No internet connection
  • Malfunction of the model
  • Poor signal reception/difficult to receive
  • If you can't make a call
  • Unable to receive emails
  • If the app is not available
  • SIM card error
  • Warranty options for breakdowns

Others

Others

Others

  • Confirmation and change of PIN (4 digits)
  • Check your My Y!mobile password
  • If you lose your phone
  • PayPay points are not being awarded
  • Check your PayPay balance
  • How to issue call details
  • How to change your device
  • Line suspension/resumption settings
  • How to charge your PayPay balance
  • Discount and campaign list
  • Check the details of the discount
  • Diagnose the best rate plan
  • Unable to log in to My Y!mobile after cancellation
  • Check the details of the family discount service
  • Search for other than the above
Others

3/15attention

Initial settings for the My SoftBank app 3/15
attention

My Y!mobile Login

By logging in to My Y!mobile, you can immediately check your billing amount, contract details, etc.

My Y!mobile Login

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Frequently asked questions

Pricing plans Various options
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SoftBank Corp.
1-7-1 Kaigan, Minato-ku, Tokyo

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© SoftBank Corp. All rights reserved.Telecommunications Business Registration Number: No. 72
日本語
English
한국어
Tiếng Việt
简体中文