What to do if you are unable to add your phone number because the wrong country code is showing.

A phone number can only be linked to one free game

Information regarding game crashes on specific Android devices for Warcraft Rumble and Hearthstone

What to do if the website returns "Connection Error" when adding a phone number

Information on contacting Activision Support

Information on Battle.net Phone Notifications

Before you can connect to the game servers, you must add a phone number to this account.

Information about an issue with receiving credit for the quest Worldsoul Memory: Kaja'mite Contact

Information on why you might receive this error when sending a message to a Battle.net friend.

What to do if you cannot log into an existing account or link your existing mobile account to Battle.net.