Still HTC has not release official 4.2.2 Jelly Bean update for HTC One. No problem at all, because Android 4.2.2 Jelly Bean Google Play Edition Stock ROM is available to flash.
If you want to taste Nexus experience on your HTC One then this ROM is just for you only! Apart from that, it includes features like new Camera interface, WiFi, Bluetooth, Beats Audio toggle (under Sound Settings) and the Tbalden 4.2.2 kernel.
If you are ready to install latest Android 4.2.2 Jelly Bean Google Play Edition Stock ROM for HTC One, then follow all the steps carefully as well as read requirements and the disclaimer.
Disclaimer: We have not developed this ROM, so if anything happens to your phone or some functionality are not working then don’t blame us! As this is the latest build so it might happen that you face some problem, try at your own risk.
1. Charge your battery up to 70%.
2. Enable USB debugging. (All apps > Settings > Manage Applications > Development > USB Debugging – check box)
3. Backup your phone data.
4. Install HTC One USB drivers from here.
5. Your phone bootloader must be unlocked.
6. You phone must be rooted and CWM Recovery installed.
7. Download file.
- Google Play Edition Stock ROM for HTC One
Steps to install this Stock ROM for HTC One:
Step 1: Copy the downloaded file into an internal storage.
Step 2: Switch off your phone and boot into Recovery mode by “pressing and holding Volume Down + Power button” and then select “Recovery“. In the Recovery mode, use the Volume keys to move up/down and the Power key to select a highlighted item.
Step 3: Now, perform a full data wipe by selecting “wipe data/factory reset” and “wipe cache partition” and then go to “advanced options in CWM Recovery” from there select “wipe Dalvik Cache“.
Step 4: Now, go to the main menu choose “install zip from SD card” > Select Google Play Edition Stock ROM for HTC One (Which you have downloaded and placed in internal storage) > give “Yes” for confirmation. The process will take 3-5 minutes to install the ROM so wait for the whole process to complete.
Step 5: Finally, go back to the main menu and select “reboot system” now. The phone will take 10-15 minutes to start and initialize all the services & apps because this is the first time you are starting a phone after installing Google Play Edition Stock ROM for HTC One. Don’t be hesitate and wait for complete process.
Congratulations! You have successfully installed Google Play Edition Stock ROM for your HTC One. In case, if you face any difficulty then feel free to contact us via comments and we will try to solve your all the difficulties. Don’t forget to leave your feedback. Do share with your friends and hit “g +1“, if you find this guide useful! (Source)