Firmware Change Update On Htc One X9 Review

Before attempting any firmware modification, ensure your device is prepared to prevent data loss or hardware failure.

Ensure your HTC One X9 has at least 60% battery to prevent it from shutting down mid-process. Firmware Change Update on HTC One X9

If your phone is stuck in a boot loop or the OTA fails, the official HTC ROM Update Utility (RUU) is the best recovery tool. Steps to Follow: Before attempting any firmware modification

Try a different USB port (preferably USB 2.0) or reinstall the HTC drivers. Firmware Change Update on HTC One X9

Launch the RUU file on your PC as an Administrator and follow the installation wizard.