Guide to Root XXEMD3 Android 4.1.2 Jelly Bean on Galaxy S3 I9300
You can update your Galaxy S3 I9300 to I9300XXEMD3 Android 4.2.2 Jelly Bean
Official Firmware by going through our guide. And here is how you can root your Galaxy S3 I9300 running XXEMD3 Android 4.2.2 Jelly Bean Official firmware.
In order to root your Android device, we will require to flash a rooting kernel to your phone. We will be flashing a rooting kernel in your Galaxy S3 I9300 running on XXEMD3 Android 4.2.1 Jelly Bean official firmware using ODIN. This will root your device. However, in this process you may lose your personal data and settings.
Please do also note that once your device is rooted, you warranty
will be considered void by the OEM. You can, however, reclaim the
warranty by re-applying official firmware update.