How To Update Galaxy S3 I9300 To XXUGMK7 Android 4.3 Jelly Bean Official Firmware.


Android 4.3 Jelly Bean XXUGMK7 is now available for Samsung Galaxy S3 I9300. This latest Build can be find on Samsung Kies or Via OTA, you might have received the Notification, but if you haven’t received it yet, you can manually install it on your device using Odin. This update will bring Bug Fixes and Errors found in previous versions. The Lock-Screen delay has been removed in this Version and other Performance issues has been removed. XXUGMK7 Android 4.3 is an official Release from Samsung and it doesn’t require Root or Custom Recovery. But if your Device is rooted, Installing this Firmware will most likely to erase the Root of your device.


If you are familiar with Odin and it’s working, then this tutorial might not be difficult for you. Otherwise read the whole tutorial first before trying it on your device. In this Article, we will show you How To Install Android 4.3 XXUGMK7 Jelly Bean on Samsung Galaxy S3 GT-I9300.But before we begin, Make sure that you have battery charged over 60 % and have backed up all your important ContactsCall Logs & Messages.It is highly recommended in case of any mishap or data loss to back up all your important data.

Disclaimer: The methods involved in flashing custom roms and rooting your phone is highly custom and may result in bricking your device,and has nothing to do with Google or the device manufacturers which is Samsung in our case. In case of any mishap we may not be held responsible. Follow these instructions to the letter to avoid any mishap or bricking. Make sure that whatever you do, you are doing it at your own responsibility.

Important things:.

How To Update Galaxy S3 I9300 To XXUGMK7 Android 4.3 Jelly Bean Official Firmware.


  • Download Android 4.3 I9300XXUGMK7  for Galaxy Galaxy S3 GT-I9300 to your computer and extract the zip file.
  • Download Odin.
  • Turn off your Phone and Turn it On While Pressing, Power + Volume Down + Home button until you see some text on-screen, Press Volume Up to continue.
  • Make Sure that the USB drivers are installed.
  • Open Odin in Computer and connect your device to PC, while it is in the Download mode.
  • If your Phone is successfully connected to PC, the Odin port will turn Yellow with COM port number.
  • Now Click on PDA and select the File with  .tar in its name, or the one who has the biggest size.
  • In Odin, Check Auto reboot and F.Reset Options.
  • Now Click the Start button and wait for the process to complete.
  • After the installation is complete you device will restart and once you see the Home Screen, unplug the cable.

That;s it your Samsung Galaxy S3 GT-I9300 has been updated to Android 4.3 Jelly BeanGo to Settings > About To verify.