Troubleshooting steps for low performance and game crashes on phones and tablets

What to do if you receive this error when attempting to add your phone number to your Battle.net Account.

What to do if you get this error when logging in to Hearthstone.

How to report harassment taking place within Battle.net chat (mobile or desktop)

Troubleshooting issues with making real money purchases in Rumble

Minimum system requirements for the Blizzard Esports Mobile App.

Information on the Diablo Immortal: Error Code 0

Battle.net balance can't be used in the mobile version of the game.

Troubleshooting for WoW Companion Application crash errors

What to do if you can't send a friend request to a recent opponent in Hearthstone.