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 get a "Something went wrong" error when logging in to the Blizzard Battle.net Mobile App