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I would like to change my contact email address of my au ID

You can change it from the au ID Membership Information Site [au ID会員情報サイト].

Please see below for detailed instructions. 

Steps

  • 1
    • Login with au ID is required.
  • 2

    Tap on the [MENU] icon in the upper right corner of the screen, and tap on "au ID membership information" [au ID会員情報].

  • 3

    Tap on "Change" [変更] for the contact email address.

  • 4

    Tap on "Change" [変更] or "Register" [登録] for email address 1 or email address 2.

    • An email address that is registered to email address 1 with another au ID cannot be registered to this email address 1.
  • 5

    Enter the email address you want to change or add and tap on "Send confirmation email" [確認メールを送信する].

  • 6

    An email will be sent to the email address you entered. Enter the verification code in the email and tap on "Settings" [設定].

    The process of changing the contact email address for your au ID is now complete.

  • All of the indicated amounts exclude tax unless otherwise specified.