How to Update T-Mobile Samsung Galaxy S3 SGH-T999 to Android 4.4.2 Gummy ROM

If you are staying in the United States of America, then you must have heard about T-Mobile Samsung Galaxy S3 SGH-T999. This is a popular Android smartphone available in the American market. It includes 4.8 inch screen. If you are using T-Mobile Samsung Galaxy S3 SGH-T999, then you will be happy to know that Android KitKat Gummy ROM has been released for Galaxy S3 SGH-T999. In the previous article, I have posted the steps for updating Samsung Galaxy S4 Mini LTE to Android Resurrection Remix ROM. Now you can update T-Mobile Samsung Galaxy S3 SGH-T999 to Android 4.4.2 Gummy ROM.

This is a pretty good news for T-Mobile Samsung Galaxy S3 SGH-T999 owners. You can experience may exciting features after installing Gummy ROM on your phone. You can play your favorite game or you can watch your favorite video in the 4.8-inch screen of this phone. You will need to root your T-Mobile Samsung Galaxy S3 SGH-T999 in order to install Gummy ROM. You will also have to install CWM recovery on S3 SGH-T999 before updating it. If you have stored your contacts, messages and photos on your S3 SGH-T999, then you must take a backup. T-Mobile Samsung Galaxy S3 SGH-T999 USB driver need to be installed on your PC for successful connection between your S3 SGH-T999 and computer.

Below are the steps using which you can install Gummy ROM on your S3 SGH-T999. Androidbiits will not be responsible if your T-Mobile Samsung Galaxy S3 SGH-T999 got corrupted during the installation process. The battery level of your Galaxy S3 SGH-T999 must be above 83% before following these steps.

How to Install Android 4.4.2 KitKat Gummy ROM on T-Mobile Samsung Galaxy S III SGH-T999

1. First, you have to download Android 4.4.2 KitKat Gummy ROM.

2. Now you have to download Google Apps package for your S3 SGH-T999.

3. Go to the settings of T-Mobile Samsung Galaxy S III SGH-T999 and enable USB debugging.

4. Now you have to connect your S3 SGH-T999 with your PC via USB cable.

5. After connecting your phone, you have to transfer Gummy ROM ZIP file and Google Apps package to the SD card of your T-Mobile Samsung Galaxy S3 SGH-T999. Then, turn it off.

6. Remove the USB cable from your S3 SGH-T999 and then you have to put it into Recovery Mode.

7. Now you have to choose “wipe data/factory reset” option from the main menu of your S3 SGH-T999.

8. You have to choose “wipe cache partition” from the main menu of your S3 SGH-T999.

9. Now you have to choose “install zip from SD card” and then search for Gummy ROM ZIP file and Google Apps package from the SD card of your T-Mobile Samsung Galaxy S III SGH-T999. Then, install them on your device.

10. Now you have to return to the main menu of your S3 SGH-T999 and choose “reboot system now” option.

You will have to wait until your T-Mobile Samsung Galaxy S3 SGH-T999 restarts. It may take around 3 minutes to reboot. Once your S3 SGH-T999 is restarted, you can enjoy Gummy ROM. If you are facing any difficulty while installing Gummy ROM on your S3 SGH-T999, then you can share your difficulty with me in the comment section.

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