What to do if you corrected your country of residence in your account details but still you can't add your phone number to your account
How to resolve being unable to log in due to this error
Account has been hacked or compromised.
Troubleshooting steps for the error: "account_not_trusted_write_locked"
The login servers received invalid information
How to correct an email mistake when creating or updating your Battle.net account
A BattleTag can only be updated for free once
How to change or update a Battle.net account email address.
How to remove or change the phone number on your Battle.net account
Information on error BLZBNTTAS00000005