Firmware Change Update On Htc One X9 Today

The device will reboot automatically once the process finishes. 💻 Method 2: Using the RUU (ROM Update Utility)

Launch the RUU file on your PC as an Administrator and follow the installation wizard. Firmware Change Update on HTC One X9

Turn off your phone. Press and hold Volume Down + Power to enter the bootloader. Select FASTBOOT . Connect to PC: Plug your phone into your computer. The device will reboot automatically once the process