: If your phone is stuck in a boot loop or won't start, this RUU can completely overwrite the system and restore it to factory "out-of-the-box" condition.
The filename follows the standard HTC RUU naming convention: [Tool]-[Device]-[OS]-[Region]-[Version]-[Radio]-[Status].exe . : If your phone is stuck in a
: The Regional ID (CID) for Taiwan. RUUs are region-locked; you could not easily flash this on a European or US Sprint device without "SuperCID" status. 3.28.709.3 : The specific software version number. RUUs are region-locked; you could not easily flash
The software localization channel. This tells us the ROM is built with localized language packs, APN settings, and regulatory configurations specifically for . 3.28.709.3 This tells us the ROM is built with
Boot into : Press and hold the Volume Down button, then press and hold the Power button. Keep holding both until a white screen with skateboarding androids appears.