Change your Blizzard account email address.
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 remove or change the phone number on your Blizzard account
How to change the language settings in your Blizzard games
How to correct an email mistake when creating or updating your Blizzard account
A BattleTag can only be updated for free once
How to change or update a Blizzard account email address.
Blizzard or game account hacked or compromised.
If you're seeing this message, check your email for details about the violation and a link to information on the appeals process.
What to do if a friend or family member has access to your account and has updated the account details, are preventing you from accessing the account, or has taken gold or items.