[iPhone] I forgot my au ID or password

If you forget your au ID password and are unable to log in, you must first set a new password.

Reset your password from an iPhone

You can access My au here.
Tap the orange “Log In” box on the top right.

Tap “I forgot my au ID or password” below the large orange box.

Tap “This did not solve my problem”

Enter the “au telephone number” and “PIN” for your iPhone, and tap “Send message (SMS)” in the orange box.

Please take note of the following.

You can check your au ID during the new registration/password reset processes. Your current au ID will not be deleted by doing this.
Your PIN (Personal Identification Number) is a 4-digit number chosen when you signed your contract. If you do not know your PIN, please check the application from when you signed your contract.

A message (SMS) will be sent to you, so check the inbox of your message application.

If a “Your session has timed out” error is displayed

Change Safari’s settings for accepting cookies.

Settings > Safari > Block cookies >

Select either “Allow from Current Website Only”, “Allow from Websites I Visit”, or “Always Allow.”
*If you are using iOS7, select either “ From third parties and advertisers” or “Never.”

Go back to the home page and select “Messages”.

If the SMS (C-mail) is not delivered

① Check whether there are any mistakes in your “au telephone number” or “PIN”.
② It is possible that the SMS facility cannot make identification, and therefore cannot deliver the SMS.
Please configure your SMS use settings for iPhone (Send an SMS with “Destination: 00090005, Message: 1234”).

Select the URL written in the SMS (C-mail) sent to you.

Please take note of the following.

If you do not access the URL within 24 hours, it will expire. If this occurs, you can acquire and register your ID by starting the process over from the beginning.

Check your au ID at the top of the page.
Enter your new password twice, and tap “Confirm settings and log in” in the orange box at the bottom.

Reference

Your password must be 8 to 32 one-byte letters and numbers in length, limited to the following characters.

Available letters → a to z, A to Z
Available numbers → 0 to 9
Available symbols → “~”, “`”, “!”, “@”, “#”, “$”, “%”, “^”, “&”, “*”,“(“, “)”, “-“, “_”, “+”, “=”

*However, you may be unable to use “&” (ampersand) or “=”(equal sign) in your au ID password on some models.
*You must use one-byte letters and numbers.
*Symbols are not required, but using symbols in combination with letters and numbers will make your password stronger.

Your password has been reset.
Tap “次へ (Next)” in the orange box to finish.

All of the indicated amounts include tax unless otherwise specified.