How To Update HTC One M8 To Android 4.4.4 CM11 M9 KitKat Custom Firmware

HTC One M8 is flagship smartphone with 5.00-inch 1080×1920 display powered by 2.5GHz processor alongside 2GB RAM and 4-megapixel rear camera. Now the HTC One M8 users can update their device with CyanogenMod developed CM11 M9 custom ROM. If you are interested to install modified Android 4.4.4 on your device follow our guide.

Disclaimer: Please follow this guide at your own risk. Thetechhacker will not be responsible if your device gets damaged during the process.

Pre Requisites

  • First backup all your contacts, call logs and SMS.
  • Enable USB debugging mode from Settings->Applications->Development->USB debugging in your device.
  • Install latest HTC One M8 USB drives on your computer.

How To Update HTC One M8 To Android 4.4.4 CM11 M9 KitKat Custom Firmware

1.Download Android 4.4.4 CM11 M9 KitKat Custom ROM and Google Apps package on your PC.

2.Connect your device to computer and transfer the downloaded files to your internal SD card and make sure the files are in the SD card root. And Copy/paste the boot.img file to android-sdk-windows\platform-tools directory.

3.Disconnect device from PC and turn off the device.

4.Now enter into bootloader mode by pressing and holding volume down+power buttons together.

5.In the Fastboot mode on your device, navigate to android-sdk-windows\platform-tools directory on your computer and open Command Prompt Shift + Right-click > Open Command Prompt. Then type the following command.

fastboot flash boot boot.img

6.Next type the following command and press enter.

fastboot reboot

7.Follow the on screen instructions and select bootloader and then go to Recovery.

8.Now enter into bootloader and go to recovery option. Here perform a full data wipe by selecting “wipe data/factory reset”, cache wipe by selecting “wipe cache partition” and also perform wipe dalvik cache .

9.Now go back to main recovery screen and select “install zip from SD Card”. Now select “choose zip from sdcard”. Using your volume keys, navigate to the Android 4.4.4 ROM file that you copied to your SD card and select it using the Power button.

10.Same procedure (step 9 only) is applied for Google Apps package also.

11.After installations go back and reboot the device. It might take 5 minutes to boot on your first time.

For the firmware update confirmation go to Settings>>About phone to verify the version.



Rahul is the Editor-in-Chief at Thetechhacker, Phone Opinions, and Ask Hacker. After realizing an obsession with technology, he left his job career to write about technology.

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