What to do if you receive this error when adding your phone number to your Battle.net account

Account has been hacked or compromised.

How the silence penalties work

Information on error BLZBNTBNA00000A9C

What to do if your Activision account has been compromised.

This game account is in a different region or Battle.net account.

Information about retrieving a locked account.

What to do if you need to unlink your Activision account from your Battle.net account

How to unlink your Twitch account from your Battle.net account

Information on using the same Battle.net Authenticator on more than one Battle.net account