: Ensure your phone is connected to Wi-Fi and has at least 50% battery .
: Tap Software updates and then select Check now . Firmware Change Update on HTC One X9
Remember that unlocking wipes data again. Use the Unlock_code.bin from HTCdev. : Ensure your phone is connected to Wi-Fi
in the same menu to have the phone notify you as soon as a new version is released. Best Practices: Always use Use the Unlock_code
Updating the firmware on your can resolve persistent system bugs, improve battery life, and ensure your device has the latest security patches . Whether you prefer the simplicity of an Over-the-Air (OTA) update or need to manually flash a ROM Update Utility (RUU) to recover a bricked phone, this guide covers every step of the process. Method 1: Standard OTA Update (Easiest)
If you are flashing a signed HTC firmware, you must relock the bootloader: fastboot oem lock
You overwrote the radio partition with incorrect firmware. Fix: This is serious. Restore from a backup of your modem_st1 and modem_st2 partitions. If no backup exists, you need to locate a radio_firmware package specific to your original region.