HTC One GSM users can now successfully update their device to the latest stock Android 4.3 Jelly Bean via JWR66V Google Play Edition ROM. In other words, this is the same stock firmware which was earlier released for HTC One Google Play Edition.

The JWR66V stock firmware has been successfully ported to HTC One GSM phone from its Google Edition counterpart, thanks to XDA Developers members, bigxie and Whitehawkx. The Google Edition ROM brings full support for IR Blaster and OpenGL ES 3.0. The ROM is fully rooted, busyboxed and available for download in two variants: odexed and deodexed.

The other noteworthy features ported into stock Android 4.3 JWR66V firmware include Google Apps, camera UI with enhanced thumb controls, Beats Audio toggle listed under sound settings and a stock Jelly Bean kernel with ro. secure = 0 (root permissions).

Key Points to Note

  • Stock Android 4.3 JWR66V firmware and instructions provided in this article are meant for HTC One GSM M7 model only. In other words, it should work with devices codenamed as m7ul, m7tmo and m7att.
  • Ensure the phone is rooted and running a custom recovery app such as ClockworkMod (CWM) or TWRP.
  • Backup important data and settings on your phone, as the procedure involves data wiping task which will erase all user and application data on the device. No data on SD card will be affected during this process.
  • Enable USB Debugging mode on the phone via Menu > Settings > Developer Options
  • Verify that the device has at least 80% battery charge to prevent unexpected device shutdown during firmware installation.
  • Allow newly installed ROM to stabilise for five minutes before you start working on it.
  • The instructions provided in this guide are meant for reference purpose only.IBTimes UKreminds its readers that it will not be held liable if device is damaged or bricked during or after firmware installation. Users are advised to proceed at their own risk.

How to Install Stock Android 4.3 Jelly Bean via JWR66V Google Play Edition ROM

  • Download Odexed version of stock Android 4.3 JWR66V firmware from here and Deodexed version here.
  • Download Radio zip tool and Faux Kernel (optional: ROM will work without installing these).
  • Connect the phone to computer via USB cable.
  • Without extracting, copy the ROM zip file and the optional files to the root folder on the phone's SD card.
  • After the file transfer process completes, disconnect the device from computer.
  • Now boot the phone into HBOOT mode, choose Recovery Mode and wait until the CWM or TWRP recovery screen loads.
  • In recovery menu, take a Nandroid backup of your existing ROM so that it can be restored, if the new ROM fails to work or if you want to return to the original ROM. NOTE: If phone is running CWM recovery then select Backup and Restore, and then click Yes to confirm. If TWRP recovery is installed on phone then choose Backup. Now select system data you want to backup and confirm the action to continue.
  • In CWM recovery, perform Wipe Data/Factory Reset and confirm the action. If running TWRP recovery, choose Wipe and hit Factory Reset in pop-up menu. Then confirm the action.
  • Select Install Zip from SD card and then click Choose Zip from SD card. Navigate to stock Android 4.3 ROM zip file that you copied earlier to phone and select it. Then choose Yes to confirm installation (NOTE: In TWRP, tap Install and select ROM, then slide the blue button to confirm ROM installation).
  • Once ROM is installed, flash Radio and Faux kernel zip files (optional) by repeating previous step. After all the installations are done, return to the main recovery menu and hit Reboot.
  • Wait until the phone boots into Normal mode. The first boot may take about five minutes to complete. So, please be patient and do not interrupt the process until the Android 4.3 home screen loads up.
  • Restore Previous ROM: To restore your previous ROM, boot into recovery, chooseBackup and Restore andthen restore your original ROM by selecting it from the list.

Stock Android 4.3 Jelly Bean based Google Play Edition ROM is now successfully installed on your HTC One GSM. Go to Settings > About Phone to verify the firmware version installed.

ALSO READ: Update Galaxy S4 to Android 4.3 via Google Play Edition ROM [GUIDE]

[Source: Android Geeks]