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If you have lost access to your account, our automated recovery process can help.DIY: Modify Contact & Shipping Addresses Self-Service
Use this page if you wish to change/modify your Contact & Shipping address for your Blizzard account.DIY: Change Your BattleTag Self-Service
You can change your BattleTag in Account Management.
Troubleshooting steps for latency or connection issues when playing Blizzard games.BLZBNTAGT00000BB8
Information on error BLZBNTAGT00000BB8Optimizing Your Internet Connection
Follow these steps to troubleshoot problems with your low-speed or wireless internet connection.