Stock Android 4.3 JWR66V GPE ROM has been released for the HTC One GSM smartphone and now you can use this tutorial in order to learn how to successfully update your device with this release. Read this entire post and make sure that you know what you're doing before starting the installation.

Android 4.3 JWR66V Google Play Edition ROM is the same firmware that was recently released for the HTC One Google Play Edition. An XDA user managed to edit it and port it for the HTC One GSM device. The installation of this new ROM will not turn your device from HTC One GSM into a Google Play Edition one. It comes with full support for IR Blaster and OpenGL ES 3.0.

This ROM based on Android 4.3 is fully stock and it is fully rooted, busyboxed and odexed / deodexed. It features Stock Android 4.3 JWR66V firmware with Google Apps, Camera UI with better thumb controls, Beats Audio toggle listed under sound settings, a stock Jelly Bean 4.3 kernerl with (root permissions). In order to make sure that you successfully update your smartphone with this new ROM, you will first need to take a look at the preparation guide below:

  • Use this 'how-to' article only with the HTC One GSM M7 model. It should work with devices code named as this: m7ul, m7tmo and m7att.
  • Your device has to be rooted and running a custom Recovery image such as CWM or TWRP. This guide will work with both versions of Recovery and you should be able to complete the installation using either one.
  • The new ROM is fully rooted, busybox comes installed and you can choose to install the odexed or deodexed versions.
  • In the tutorial guide you'll find a step that will ask you to wipe data and factory reset, which means that you will lose all installed applications data along with the other system data.
    - the internal SD card contents won't be affected by the installation.
  • If you want to backup SMS, Call Logs info and other similar data, then you should use the following apps for Android: SMS backup & restore | Call Logs backup & restore | APN Settings Backup & Restore. Root access is needed for some of these tools.
  • Also, sync your Contacts data with your Gmail account before starting the installation. This will backup all your saved phone numbers before starting the update, so that you will be able to restore all data after the new ROM has been installed.
  • Enable USB Debugging from Developer Options menu.
  • Make sure that there is enough power left in your device's battery before starting the firmware update. If the phone powers off in the middle of the updating process, then you should repeat the entire tutorial once again, as otherwise the new ROM won't install all the required files.
  • This is a guide for advanced Android users. Note that we cannot be blamed if you brick the device or you lose any important files in the process.
  • If you cannot complete the installation, then you can always ask for more help in comments or you can check the XDA thread here.

Now that you've gone past all the extra info listed above, then you should continue to the next part of this post and learn how to update your smartphone with the latest Jelly Bean build.

How to flash Android 4.3 JWR66 Google Play Edition ROM for the HTC One GSM M7:

  1. Download the Odexed version of the ROM from HERE.
    Download the Deodexed version from HERE.
  2. OPTIONAL: Download Radio zip from HERE.
    Dowload Faux Kernel from HERE.
    > install these after the ROM, but this is only optional. The ROM will work without them too.
  3. Connect your HTC One with your computer.
  4. Move the zip file of the ROM and the other ones, if you downloaded them, to your smartphone's internal SD card.
  5. After the files are copied, disconnect the device from your PC.
  6. Boot your smartphone into HBOOT mode, then select Recovery Mode and wait for CWM / TWRP Recovery Mode main menu to load.
  7. When your device is showing the main Custom Recovery screen you should first create a NANDROID backup of your current ROM:
    > for CWM Recovery: select 'backup and restore', then confirm the process.
    > for TWRP Recovery: press Backup, then select the system data you wish to backup. Confirm.
  8. Now, apply 'factory reset':
    > CWM Recovery: select 'wipe data/ factory reset' and confirm.
    > TWRP Recovery: Press Wipe and in the new menu press Factory Reset. Confirm.
  9. Now you can install the new ROM:
    > CWM Recovery: select 'install zip from sdcard', then 'choose zip from sdcard'. Find the Stock Androd 4.3 ROM zip. Confirm the installation.
    > TWRP Recovery: press Install, then browse your phone's internal SD card contents and load the ROM zip file into TWRP. Confirm that you want to install the ROM by sliding the blue button shown at the bottom of the TWRP screen.
  10. After the ROM is installed, you can optionally flash the Radio and Faux Kernel zips just like you did in step 9. When the installations are complete, return to the main Recovery screen.
  11. Select the 'reboot' option and now wait for your HTC One to boot into normal mode.
  12. The first boot process of the new ROM shouldn't take more than five minutes to complete, which is why you shouldn't press any buttons until the Android 4.3 home screen appears.
  13. Enter your Google Account details when all files are loaded. Take control over your device's new ROM and start testing all the brand new features and functions.

These were all the steps that you had to take in order to successfully update your HTC One with the Android 4.3 ROM build Update files that were pushed out for the HTC One Google Play Edition. If the installation doesn't complete at your first attempt or the device enters into a boot loop, then you should repeat the tutorial once again. Also, ask for more help in comments.

If you don't like how your smartphone works with the new OS, then you should restore it to its previous ROM using the file created in step 7. I hope that you found this guide helpful and that you've managed to update the HTC One to Android 4.3. Remember that this is not an official OTA Update release by HTC or Google. The HTC One is expected to get the full stock HTC -branded Android 4.3 OTA Update by the end of this year.

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