About the "back number app"

Can I still use the "back number app" after changing my phone model?

Even after changing your device, you can continue to use the service by following the prescribed procedures.

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1. Install the app on your new smartphone.
https://backnumber.info/feature/backnumber_APP

2. Please log in using your registered "Plus member ID" and "password".

3. Follow the steps for "SMS (phone number) authentication" and "identity verification procedure," and once your identity has been verified, please log in again.
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<Notes>
• The app is limited to one user per ID and one device.
* You cannot log in with a different ID after logging in.

• To prevent misuse, the app cannot be used on multiple devices.
*You cannot log in using someone else's smartphone.

・You cannot register phone numbers such as landlines or IP phones.

- You are allowed to change your device and reinstall the app up to twice a month.

• You can change your registered phone number up to twice a year.

If you exceed the maximum number of times you can perform the above procedure, you will not be able to perform the procedure yourself.

We will check your usage status at the "Ticket Plaza" customer support desk.

If you are unable to complete "SMS (phone number) verification" or "app identity verification procedures," please contact us using the information below.

▼Ticket Plaza Customer Support
https://tixplus.jp/feature/artist_app/faq/backnumber.html

*If you require electronic ticket pickup, please contact us after ticket issuance begins.

*Please check the ticket application page for the ticket issuance date. (This information cannot be provided through the fan club.)

Other questions about the "back number app"

• Q.
  What is the "back number app"?
• Q.
  Is the "back number app" a paid app?
• Q.
  I cannot log in to the "back number app".
• Q.
  When you log in using the "back number app," "[Not Registered]" will be displayed on your My Page.
• Q.
  If I delete the "back number app," will my fan club registration be canceled?
• Q.
  Is phone number verification required for the "back number app"?
• Q.
  I am unable to complete SMS authentication/identity verification for the "back number app".
• Q.
  The "back number app" won't open. (It force closes/returns to the home screen)
• Q.
  Could you please tell me about the push notification settings for the "back number app"?
• Q.
  Regarding inquiries about the "back number app"

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