ROM Update Utility (RUU) is an official Windows-based executable file (
: RUUs format the user data partition, which is useful for clearing severe software bugs or preparing a phone for resale. Australian Broadcasting Corporation Critical Prerequisites htc android phone rom update utility
Before running any RUU, search XDA for your exact HTC model number and “S-OFF.” Achieving security-off status will make the RUU process significantly more flexible and error-resistant. Happy flashing. ROM Update Utility (RUU) is an official Windows-based