We all know that the Samsung Galaxy S3 will not be receiving the Android 4.4.2 update anytime soon, but that’s not gonna be a problem thanks to OmniROM! In case you do not know, OmniROM is a relatively new custom ROM developed by Chainfire, Xplodwild and Dees_Troy. Similarly, they have also released a nightly build of the Android 4.4 based OmniROM which can be flashed on the Samsung Galaxy S3 I9300 flagship for those who have rooted their device. If you’re interested, then read on to find out how to update your Samsung Galaxy S3 to Android 4.4 KitKat by flashing OmniROM.

Disclaimer : During the process there is always a risk for you to brick your Android device. So if you choose to continue, you are doing it at your own risk!

Prerequisites before you begin flashing OmniROM on the Samsung Galaxy S3 GT-I9300

1. Make sure you have unlocked the bootloader of the Samsung Galaxy S3 I9300.
2. Make sure you have rooted and installed CWM recovery on the Samsung Galaxy S3 I9300. If you have not do so, then head down to this page on how to do so.
3. Make sure you have installed the appropriate device’s driver on your PC before proceeding. If not, you can download it here as well.
4. Enable USB debugging on the Galaxy S3 by going to Settings > About phone and tap on the build number until it says you are a developer. Next go to Settings > Developers option and check the USB Debugging option.
5. Back up your the Galaxy S3.
6. Make sure you have at least 80% battery left onboard.
7. Download both the Android 4.4 KitKat OmniROM and Google Apps to your PC.

Follow the steps below on how to update Samsung Galaxy S3 GT-I9300 to Android 4.4 kitKat

1. Copy and paste both theAndroid 4.4 KitKat OmniROM and Google Apps over to the root of your device’s SD card.
2. Turn off your the Galaxy S3.
3. Boot your device into recovery mode by pressing the Volume Up, Home and Power buttons together for a moment.
4. Once inside Recovery, select the Wipe data / Factory reset option.
5. Once you have returned to the recovery menu, select Wipe Cache Partition.
6. Next up, select Mounts and Storage followed by Format / data.
7. After you have returned to the recovery menu, select Advanced followed by Wipe Dalvik Cache.
8. Finally, select Install Zip from sdcard followed by Choose zip from sdcard. You will then browse to the location where you have placed the Android 4.4 KitKat OmniROM.
9. Repeat Step 8 for the Google Apps file as well.
10. Now, select the reboot system now option from the recovery menu.
11. You device will now reboot. ( It may take a few minutes for it to reboot so be patient. )
12. That’s it! Your device is now running on Android 4.4 KitKat via OmniROM!

Please do feel free to comment below the post if you encounter any problem during the process. In the meantime, stay tune for more Android tutorials!