I9300XXUGNG3 Android 4.3 Jelly Bean Firmware for Galaxy S3 GT-I9300 - How to Install

I9300XXUGNG3 Android 4.3 Jelly Bean Firmware Last Updated on 12-Sep-2014. Download and update the latest XXUGNG3 Android 4.3 Jelly Bean official firmware on Samsung Galaxy S3 GT-I9300 Smartphone. Samsung recently started rolling out an OTA update about the firmware. The latest firmware build version number is I9300XXUGNG3 and is released for several countries. The Galaxy S3 I9300 already