Information on the Blizzard SMS Protect feature.

Information on updating or removing SMS Protect details.

Information on the mobile payment option for Blizzard Balance codes.

How to change the SMS protect number in your Blizzard account

What to do if you can't resync your authenticator.

Troubleshooting steps for disconnection problems with the Blizzard mobile app

Information on using your authenticator on more than one Blizzard account

How to set up the same Authenticator on more than one device.

What to do if your Authenticator gets stuck at any point during set up.