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

Customer Support (Inquiries)

notice

Our phone lines will be extremely busy between March 22 and 23. We ask for your cooperation in answering inquiries outside of this period.

Popularity

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Chat and phone solutions available
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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 by keyword
Others

3/22attention

Initial settings for the My SoftBank app 3/22
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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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