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Update AT&T Galaxy S3 I747 to Android 4.4.4 Kitkat

Still Stuck on Android 4.1.1 Jelly Bean on AT&T Galaxy S3 I747, and looking to update it to latest Android version i.e., Android 4.4.4 Kitkat, then you can now using Custom ROM. All you need to do is to follow this guide, to update AT&T Galaxy S3 I747 to Android 4.4.4 Kitkat firmware using Dirty Unicorns Custom ROM.

Update AT&T Galaxy S3 I747 to Android 4.4.4 Kitkat using Dirty Unicorns ROM

Dirty Unicorns Custom ROM is based on Android 4.4.4 Kitkat firmware. This ROM works better on AT&T Galaxy S3 I747 without any major issues. You can check the features of this ROM below:

  • Theme Engine
  • Facebook Sync Hack
  • Immersive Mode
  • Hot Reboot Option
  • Appbar (Ribbons)
  • Customizable Quick Settings
  • Customizable Power Menu

Before we proceed to update AT&T Galaxy S3 I747 to Android 4.4.4 Kitkat firmware using Dirty Unicorns ROM, we have to follow some set of instructions called pre requisites, to prepare AT&T Galaxy S3 I747 for the update process and also to avoid it from bricking.

How to Update AT&T Galaxy S3 I747 to Android 4.4.4 Kitkat:

Step 1 – Download Android 4.4.4 ROM and Google Apps for Galaxy S3 to your computer from the below download section.

Step 2 – Connect and mount your Galaxy S3 USB memory on your computer using the USB cable.

Step 3 – Now copy/paste the downloaded Android 4.4.4 ROM zip and Google Apps zip files to your root folder of SD card.

Step 4 – Then turn OFF your phone and disconnect from the USB cable.

Step 5 – Now to get in the Recovery Mode. Switch ON the phone while pressing and holding Volume Up + Home + Power buttons together. Alternatively, read this: How to Enter Recovery Mode on Any Android Phone.

Step 6 – Once you are in ClockworkMod Recovery, select perform a full data wipe by selecting “wipe data/factory reset” as shown below. Use the Power button to select everything while in the Recovery Mode.

Step 7 – Then, perform a cache wipe by selecting “wipe cache partition” as you can see in the image below.

Step 8 – Now this is optional, but it is recommended to perform a wipe of your dalvik cache as well. From CWM recovery, go to ‘advanced’ and then select “wipe dalvik cache”.

Step 9 – Then go back to the main recovery screen and select “install zip from SD card”.

Step 10 – Now select “choose zip from sdcard”. Using your volume keys, navigate to the Android 4.4.4 ROM zip file that you copied to your SD card and select it using the Power button. Confirm the installation on the next screen and the installation procedure should start now.


Dirty IROM Package

Google Apps Package

Check here to update Galaxy S3 to Android 4.4.4