Samsung has rolled out the official Android 4.1.2 firmware named ‘XXEMC2’ firmware for Samsung Galaxy S3 I9300. You can install this firmware by following this simple guide. This new official firmware brings amazing features. Check out the tutorial to enjoy this firmware on your Samsung Galaxy S3 I9300.This XXEMC2 Android 4.1.2 firmware is an unbranded firmware, and can be easily installed on any Samsung Galaxy S3 I9300.



The process is simple to follow, but you may end up as zero or negative results as well. So follow it at your own risk. We shall not be responsible for any damage that this tutorial may cause to your Samsung Galaxy S3 I9300.

Android 4.1.2 XXEMC2 Firmware Details:

Version: 4.1.2


  • Charge the battery to at least 60 percent mark. The only step into the process.
  • Take the backup of entire data. This would prove helpful if your data gets wiped out because due to the process.
  • Download and install the drivers for your Samsung Galaxy S3 I9300 to your PC. You can download the drivers from here.
  • Enable USB Debugging Mode in your smartphone. Proceed as Settings > Applications > Development > USB debugging.

Process to Install Android 4.1.2 XXEMC2 Jelly Bean Official Firmware on Galaxy Note 2 10.1 SGH-T779

  • First of all, download the XXEMC2 Android 4.1.2 Jellybean Firmware from here for Samsung  Galaxy S3 I9300.
  • Download ODIN v1.85 which will help you to install Android 4.1.2 on Samsung Galaxy S3 I9300
  • It’s time to copy this downloaded file to the external SD card of your phone. For this connect your Samsung Galaxy S3 I9300with PC and transfer the file, as you normally do.
  • Switch off your Samsung Galaxy S3 I9300and restart it in the Recovery Mode. How? Just press the Volume Down Key + Home + Power buttons. Keep them all pressed till you see an Android Robot on your device’s screen. The appearance of this on your screen confirms your entry into the Recovery Mode.
  • The Volume Buttons are used to navigate in the options. Using them, point to ‘apply update from external storage’ and select it.
  • Just locate the firmware zip file that you downloaded in the first step.
  • Once you find, select it using the Power button.
  • The installation will start in no time. Just wait for its end.
  • It will take a few minutes for the installation to complete. Once it is so, just go back to the main menu and there select ‘Reboot System Now’.

That’s it. You are done with the installation of XXEMC2 Android 4.1.2 Jelly Bean Official Firmware on your T-Mobile Samsung Galaxy S3 I9300. Enjoy it!!