Use the volume keys to navigate to and press the Power button to select it. Connect the phone to your PC.
Ensure your phone is charged to at least 60% to prevent it from shutting down mid-process. htc android phone rom update utility
Veteran HTC users remember “HBOOT” (the bootloader) and the “FASTBOOT USB” prompt. The RUU is essentially a graphical front-end for fastboot commands. Behind the scenes, the RUU executes commands like: Use the volume keys to navigate to and
Flashing an RUU modifies the deepest levels of your phone's storage. To avoid permanently damaging (bricking) your device, you must prepare properly. Veteran HTC users remember “HBOOT” (the bootloader) and
There are several types of ROM update utilities available for HTC Android phones:
HTC ROM Update Utility (RUU) is a official Windows-based tool used to manually install or update the stock firmware on HTC Android devices. It is commonly used to "unbrick" devices that won't boot, restore a phone to factory settings for warranty purposes, or update a phone when over-the-air (OTA) updates are unavailable. How to Use the HTC RUU