Android 4.4.2 KitKat firmware is now available for Samsung Galaxy S3 GT-I9300, AT&T, T-Mobile, U.S. Cellular and Verizon based on Android Open Kang Project. It features navigation ring, ribbon shortcuts, vibration patterns, LED control and more default Android changes.

AOKP For Galaxy S3 GT-I9300

Android 4.4.2 KitKat for Galaxy S3 is based on AOKP custom ROM, which brings the default source code and features from Google with additional cool tweaks from developers.

1. Navigation ring

2. LED control

3. Ribbon

4. Vibration patterns

5. Custom toggles

6. CPU governor

7. Personalization controls

Requirements

1. Use the AOKP custom ROM to an unlocked Samsung Galaxy S3 only.

2. Create a manual backup of all personal information, settings and data files stored on the smartphone.

3. Make sure that the battery level is at least 50 percent.

4. Enabled USB debugging mode on your Galaxy S3 found in Developer Options under Settings.

5. Download the necessary USB drivers for your device on the computer.

6. Root and install a custom recovery such as ClockworkMod recovery on the handset.

7. Download the AOKP Android 4.4.2 KitKat and Google Apps package to your computer. Select from the list of firmware below appropriate for your Galaxy S3 model:

a. International GT-I9300

b. AT&T SGH-I747

c. T-Mobile SGH T999

d. U.S. Cellular GT-I9308

e. Verizon SCH-I535

Warning: AOKP Android 4.4.2 KitKat custom ROM requires manually installation which may damage your Galaxy S3. We are not responsible for any damages or errors that may occur in the device. Read and follow the instructions carefully to avoid any damages. Do this at your own risk.

Flashing Instructions

1. Connect the Samsung Galaxy S3 to your computer using a USB cable.

2. Copy and paste the appropriate firmware and Google Apps package to the microSD card of your smartphone. Do not extract the zip files.

3. Disconnect your Galaxy S3 from the computer.

4. Switch the smartphone off.

5. Reboot into recovery mode by pressing and holding power + menu + volume up keys at the same time till the Samsung logo appears.

6. Inside the recovery mode, create a nAndroid backup of the current ROM. Select "backup and restore > backup." You can restore it anytime you desire to.

7. Perform a full wipe on the Galaxy S3. Select "wipe data/factory reset" and "wipe cache partition" then go to "advanced > wipe Dalvik cache."

8. Install the AOKP Android 4.4.2 KitKat. Select "install zip from SD card > choose zip from SD card > look for the firmware you've pasted earlier > confirm installation." Apply the same with Google Apps package.

9. After the installation, go back to the main menu then select "reboot system now."

Your Samsung Galaxy S3 will reboot automatically and may need at least 5 minutes before reaching the home screen as it runs the ROM for the first time.

For any issues or bugs, please send your feedback to Bug Tracker of RootzWiki official Web page.