You can now update the HTC One (M7) to Android 4.1.2 Jelly Bean as Android Revolution HD custom ROM based on Android 4.1.2 is now available Jelly Bean and other great features. This not an official release by Google/ HTC, but just a custom ROM which would require a custom recovery like ClockworkMod in order to install the ROM on your phone. But, you first need to unlock the Bootloader of HTC One (M7) and root it.
As you proceed with the article, we will guide you through the entire process involved on how to update HTC One (M7) to Android 4.1.2 Jelly Bean via Android Revolution HD custom ROM. Just ensure that you follow the pre-requisites section essentially as it will help you to backup your Android device.
Warning: Neither we nor the developer will hold any responsibility if you damage or brick your phone in the process of following this article. Therefore, please proceed at your own risk.
Measures to take before Updating your device:
Step 1: You should fully backup your Android device before updating it. Backup all your SMS, Backup/Export Contacts, Backup APN settings. You can take help from our article on Tutorial for creating backup of Android device without root access.
Step 2: You should Backup all apps on your device, unrooted users can follow this method procedure to backup apps. If you have already rooted your device then use Titanium to Backup and restore apps and cache data.
Step 3: You should enable USB debugging on your device, to activate USB Debug go to “Settings>Developer options” and check the USB debug option box. Problem enabling USB Debugging you can follow article on How to enable USB debugging on Jelly Bean, Ice Cream Sandwich and Gingerbread.
Step 4: There should be 50% or more amount of battery juice on your device. To know how much charge your device is having you can use our tutorial on how to get battery percentage on Status bar.
Step 5: You should disable security apps and programs like Antivirus and Firewall on your Android device as they may interrupt the procedure.
Assuring that you have followed all the above mentioned steps, you can proceed further. If there is something which worries you, let us know we are always here for you.
Download Google Apps Package and Android Revolution HD ROM from here to your computer. Place both the downloaded files into the root directory of your phone’s SD Card. Copy/paste the boot.img file to android-sdk-windowsplatform-tools directory.
How to Update HTC One (M7) to Android 4.1.2 Jelly Bean via Android Revolution HD Custom ROM
Step 1: Reboot your phone so as to enter it in Bootloader/ Fastboot mode. To do so, press and hold the Volume Down + Power buttons together until the screen turns ON.
Step 2: You can even use the ROM Manager App to boot your device into Bootloader or Recovery Mode.
Step 2: Once you device has booted up in Bootloader mode, navigate to android-sdk-windowsplatform-tools directory on your PC and open Command Prompt window there. To open command prompt, press Shift + Right-click > Open Command Prompt.
Step 3: Now, type the command that follows in the command prompt window:
(Press enter after each command.)
fastboot flash boot boot.img
Step 4: Now, follow the navigation instructions on the screen, then select “BOOTLOADER” and then go to recovery.
Step 5: Next, from the main CWM recovery menu, select “wipe data/factory reset” and then select “wipe dalvik cache” to clear all the cache data’s on your phone.
Step 6: Next, again from the main recovery, select “install zip from sdcard” then select “choose zip from sdcard” and then select the ROM file you’ve placed on the SD Card.
Step 7: As soon as the ROM has been flashed, repeat the same procedure for flashing the Google Apps Package.
Step 8: When the installation process has completed, select “+++++Go Back+++++” and then select “reboot system now” to reboot your phone.
That’s it! You have successfully updated your HTC One (M7) to Android 4.1.2 Jelly Bean via Android Revolution HD Custom ROM. Do let us know if you have any queries, we are here to help you always.