What to do if the mobile app does not show your friends or messages.

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

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

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

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

How to resolve this error when attempting to set up the authenticator in the Battle.net mobile app.

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

What to do if you get a "Something went wrong" error when logging in to the Battle.net Mobile App

Minimum system requirements for the Battle.net Mobile App.