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

What to do if you receive this error on the mobile Battle.net app

How to resolve purchasing errors on Hearthstone mobile.

What to do if you don't receive texts from Blizzard

How to resolve this error when adding your phone to your Battle.net account

Troubleshooting steps for missing notifications on the Battle.net Mobile App

Troubleshooting steps for disconnection problems with the Battle.net mobile app

Basic information on the mobile version of Hearthstone

Information on what to do if you can't locate your Hearthstone account details.

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