HTC One : Upgrade to CyanogenMod 10.1 Jellybean Firmware

HTC One is high-end Android based smartphone from the Taiwanese manufacturer HTC. HTC One has been on the buzz for a while. It was said about HTC One that it is a device whose hardware deserves something better than Android Jellybean. No doubt in the fact that HTC One is an amazing device powered by Quad-core 1.7 GHz Krait 300 processor. It has a RAM of 2GB and comes with in two variants of 32GB and 64GB.

As said earlier that HTC One deserves better, here is an upgrade to CM 10.1 Jellybean 4.2.2. We are here giving you a step-by-step guide to upgrade your HTC One to CyanogenMod 10.1 Jellybean 4.2.2. We have tried and tested this CyanogenMod 10.1 ROM on HTC One in our lab and it worked perfectly fine.

HTC One CyanogenMod 10.1

HTC One : Upgradation Guide

We have tried to make the upgradation as easy and explanatory as it could be. The upgradation guide have two halves namely:

  • Getting Ready for Upgrade
  • The Real Upgrade

Notice : This Firmware is taken from a very reliable Android Developer. We have tried and tested this firmware before bringing this for you. However, we would recommend you to follow these steps with extra-care as a single error can lead to bricking of your Device.
The warranty of your device would void after upgrade, so do this at your own risk. We will not be liable for any error.

HTC One : Getting Ready for Upgrade

  • Before you take a step further, please make sure that your device is HTC One. You can check this at Settings >> About Device.
  • Take a backup of your existing ROM using the ROM Manager App available on Play Store.
  • You may also opt for a backup of your important data such as SMS, phone numbers using one of the backup apps available on play store for free.
  • The upgrade process work on internal battery power. So we would recommend you to charge your device more than 80%.
  • Disable all anti-virus software installed on you device and PC.
  • If you have kies installed on your PC, just uninstall it.
  • Enable USB debugging on your Device. The option for this is available at :
    Settings > Applications > Development > USB debugging or
    Settings> Developer Option> USB Debugging
  • Now your HTC One is ready for upgradation.

HTC One : The Real Upgrade

  •  Download the Firmware Package and Google Apps Package on your Laptop/PC from below links:
    1.  CyanogenMod 10.1 ROM
    2.  Google Apps
  • Now transfer both the files to internal Micro-SD card of your device.
  • Download Fastboot Zip on your PC. Uzip it in one folder on your PC.
  • Now Unzip the ROM package downloaded above and copy the ‘boot.img’ file into the ‘Fastboot’ folder.
  • Power off your HTC One and restart in Debugging mode. This can be done by pressing and holding Volume Down + Power Key together.
  • After sometime, device will start in Fastboot mode. When you see the fastboot screen, connect your HTC One to PC using USB cable.
  • Double click on ‘flash-boot-window.bat’ file. It will run boot.img file on your HTC One.
  • After fastboot is successfully complete, disconnect your HTC One.
  • Select ‘HBOOT’ option from HTC One’s fastboot menu.
  • On next screen, select ‘Recovery’. This will start your device in recovery mode.
  • Choose Wipe Data/Factory Reset and Select Yes on the next screen. This will delete the stock ROM data from your device.
  • After wipe is complete, navigate to Install Zip from SD Card and select the firmware package saved on your external SD card.
  • This will start installing the firmware on your device.
  • After firmware installation is complete, again navigate to Install Zip from SD Card and select Google Apps.
  • After this complete, go to main menu and Select Reboot System Now. 
  • Your phone is upgraded and will restart in around 10-15 minutes.
  • Check the version of your firmware at Settings >> About Device. 

With this you have successfully upgraded your HTC One to CyanogenMod 10.1. If you face any kind of issue during installation, then you can seek our help using the comment form below.

Also we would recommend you to comment if you were able to upgrade your HTC One successfully.