Sometimes the EXE crashes or gives a “USB Error 170.” You can manually extract and flash the rom.zip .
Warning: This process erases all personal data, photos, and apps. How to Use the HTC ROM Update Utility
Press to confirm and initiate the flashing process. Troubleshooting Common RUU Errors
Disable standby or hibernation modes on your computer and close all other running applications.
The system will automatically scan the SD card, detect the update file, and ask if you want to start the update.
Your phone has an unlocked bootloader, but your device is set to "S-ON" (Security On).
Do not touch the cable or the phone. The device screen will show a progress bar alongside the Windows wizard. Once complete, click , and your phone will automatically reboot into the newly installed stock Android system. Method 2: Using the Zip RUU ( .zip ) via SD Card
The HTC ROM Update Utility provides a safe, official way to flash stock firmware (ROM) onto HTC Android devices. It restores the device to a factory state, applies system updates, or recovers software after corruption.
Whether you are looking to unbrick a device, remove a glitchy custom ROM, or restore your device to factory settings, understanding how to utilize the HTC RUU is an essential skill. What is an RUU and Why Use It?
Before starting the update process, you must prepare your computer and phone to ensure a smooth update and avoid breaking the device.
If you own a classic or modern HTC Android device, you have likely encountered the term , or ROM Update Utility . For years, this proprietary software has been the holy grail for HTC enthusiasts, developers, and everyday users looking to maintain their devices. Whether your phone is stuck in a bootloop, you want to revert to stock software, or you need to force an official update, the HTC RUU is the ultimate tool for the job.