Launch the RUU file on your PC as an Administrator and follow the installation wizard.
Are you updating to or just for the latest features ? Is your device unlocked or tied to a specific carrier ? Firmware Change Update on HTC One X9
For advanced users, you can flash firmware directly from the device's bootloader using an SD card. Launch the RUU file on your PC as
To help you find the right files or specific steps, could you tell me: What is your ? Firmware Change Update on HTC One X9
If an update is available, follow the on-screen prompts to .
Before attempting any firmware modification, ensure your device is prepared to prevent data loss or hardware failure.