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If the email address on your account was changed or you can't remember it, we can help.Merge Game Accounts
It is not possible to merge the progress of two or more games into one.Undelete My Blizzard or Game Account
Request to restore a deleted Blizzard Account or game license
Basic troubleshooting for game crashes with Hearthstone on mobile devices.Unable to Install or Patch Hearthstone on a Mobile Device
Troubleshooting steps for problems installing or patching Hearthstone on mobile devicesTroubleshooting Installation and Patching
Use the steps below to troubleshoot installation issues for Blizzard games.