Need to update the phone number on your Battle.net account?Reset password セルフサービス
You can use this service to reset your Battle.net password, which will remove most account locks.Modify Contact and Shipping Addresses セルフサービス
Use this page if you wish to change or modify your Contact and Shipping address for your Battle.net Account.
Troubleshooting black screen crashes in Heroes of the Storm.Heroes of the Storm Latency Problems
Troubleshooting for latency and connection issues in Heroes of the Storm.Heroes of the Storm Lockups and Crash Errors
Troubleshooting steps to resolve lockups or crashes in Heroes of the Storm.
Troubleshooting for error BLZBNTBNA00000015BLZBNTBNA00000012
Troubleshooting for error BLZBNTBNA00000012Input Mapping Game Controls to Unsupported Controllers
Information regarding Blizzard's stance on input mapping, as it relates to game controls