Htc One M8 Stock Rom Updated [updated] -

The M8 forum on XDA contains a sticky thread titled "[Collection] HTC M8 RUU/OTP/Stock ZIPs."

If your phone is (Security Off), you can flash the ROM using HTC's fastboot commands: htc one m8 stock rom updated

End of Report

：注册HTC开发者账号后，可在开发者门户获取部分官方解锁工具和驱动。 The M8 forum on XDA contains a sticky