Information on the mobile payment option for Blizzard Balance codes in Argentina, Chile, and Mexico.

Troubleshooting steps for disconnection problems with the Blizzard mobile app

Information on using your authenticator on more than one Blizzard account

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

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.

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

Minimum system requirements for the Blizzard Battle.net Mobile App.

How to reinstall the mobile Authenticator, keeping the same serial number

Information on payment methods for our various shops.