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I would like to change my 4-digit PIN code

Change it in the My au app

I would like to change my 4-digit PIN code in the My au app

The 4-digit PIN code you set up when you made the contract with au can be changed online on the "My Page" [マイページ] of the My au app.

Please see below for detailed instructions.

Important note

  • When changing your 4-digit PIN code, your current one is required. Please note that if you enter the incorrect PIN code three times on the same day, you will not be able to change your PIN code until the next day.

Steps

  • 1

    Launch My au app.

  • 2

    Tap on "My Page" [マイページ] at the bottom of the screen.

  • 3

    Tap on "Customer Registration and Billing Information Confirmation/Change" [お客様登録・ご請求情報の確認・変更].

  • 4

    Tap on "Customer Information" [お客様登録情報].

  • 5

    Tap on "Change" [変更] in the PIN code [暗証番号] section.

  • 6

    Enter the au ID password and tap [OK].

  • 7

    Enter your current PIN code and tap on [OK].

  • 8

    Enter your new PIN code in two fields and tap on "Change" [変更] to complete the process.

    • A PIN code used in the past cannot be set.

Change it on the web

I would like to change my 4-digit PIN code on the web

The 4-digit PIN code you set up when you made the contract with au can be changed online on the au ID Membership Information site.

Please see below for detailed instructions.

Important note

  • When changing your 4-digit PIN code, your current one is required. Please note that if you enter the incorrect PIN code three times on the same day, you will not be able to change your PIN code until the next day.

Steps

  • 2

    Tap on [MENU] in the upper right corner.

    • If you access it from a computer screen, click on "Membership Information" [会員情報] on the right side of the screen.
  • 3

    Tap on "au ID Membership Information" [au ID会員情報].

  • 4

    Tap on "Change" [変更] in the PIN code [暗証番号] section.

  • 5

    Enter your au ID password and tap on [OK].

  • 6

    Enter your current PIN code and tap on [OK].

  • 7

    Enter your new PIN code in two fields and tap on "Change" [変更] to complete.

    • A PIN code used in the past cannot be set.
  • All of the indicated amounts exclude tax unless otherwise specified.