Disables signature verification. This allows you to flash custom radios, modify the bootloader, downgrade your firmware version, and change your device's regional identifier (MID and CID). Essential Prerequisites and Safety Checklist
Format a physical MicroSD card (32GB or smaller preferred) to the file system. Firmware Change Update on HTC One X9
Go to Settings > About > Software Information > More and tap Build Number seven times. Return to Settings , open Developer Options , and enable USB Debugging . Disables signature verification
Right-click the downloaded RUU .exe file on your PC and select . Go to Settings > About > Software Information
This update revises the TrustZone (TZ) firmware to address a potential vulnerability in secure boot verification. Users will notice no change in daily operation, but the update patches a speculative execution loophole specific to the MediaTek Helio X10 (MT6795) chipset.
Do not disconnect the cable until the process completes and the phone reboots. Option 2: Using the SD Card Method ( 2PS6IMG.zip )