Install Android 4.4.4 KitKat on AT&T Galaxy S3 with SOKP Custom ROM

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The AT&T variant of Samsung Galaxy S3 receives an unofficial Android 4.4.4 KitKat update via SOKP Custom ROM. The SOKP Custom ROM is developed by well-known Sonic-developers. The ROM gives an access to various multitasking features, increase overall device performance and speed, some extra boost to audio & video quality, and much more. Well, if you are looking to upgrade your device, then here is the quick guide on How to Install Android 4.4.4 KitKat on AT&T Galaxy S3 with SOKP Custom ROM.

Install Android 4.4.4 KitKat on AT&T Galaxy S3



  • Charge your device up to 70% or more.
  • Do enable USB Debugging on your device.
  • Your device must be rooted and CWM Recovery installed on it.
  • Ensure that your PC must contain USB Drivers.

Download Update Files:

How to Install Android 4.4.4 KitKat on AT&T Galaxy S3 with SOKP Custom ROM

Step 1:


First of all, you have to download above both the update files on your PC.


Step 2:

Now you have to connect your device to your PC by using a proper USB data cable.

Step 3:

Once device is detected successfully, copy both the downloaded files to your device memory. After that, disconnect your device.


Step 4:

Turn off your device by holding on the Power button for a few seconds.

Step 5:


Carefully, boot your device into “Recovery Mode” by pressing and holding “Volume Up + Home + Power” buttons together for a few seconds.


Step 6:


Once you get Recovery menu, wipe your device data by selecting “wipe data/factory reset” and wipe cache partition by selecting “wipe cache partition”.

Step 7:

Now, this is an important task – You have to flash all the files by selecting “install zip from SD card” > “choose zip from sdcard” > select “appropriate zip file”.


Flash the “ROM” package first and then “Gapps” package by following the same step.

Step 8: Once you have flashed all the files, go back to the “Recovery Main Menu” and select “reboot now” to reboot your device. Initially, your device will take more time to start. So, keep patience and enjoy the new boot animation from Sonic-developers.

You’re done! You have successfully installed a new ROM to your Galaxy S3 smartphone. I’m sure, you might want to check out this update from your own smartphone. Well, you actually can do that. To check this new Firmware update, all you have to do is just follow the below given path on your phone.


Go to : Settings>> About Phone>> Firmware

Do follow the above given path and you would see an upgraded version of the Firmware file. on your device.


What’s your take? Have you ever tried using this process to install a custom ROM? Do share your views and opinions in front of us. We would like to interact with you. Meanwhile, if you have any further queries or questions to be asked, feel free to let us know. We would definitely make them solved as soon as possible. Till then stay tuned with us for more such useful updates. Your feedback and suggestions are always welcomed!

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