Update Galaxy S3 I9300 To Android 4.3 XXUGNA7 Jelly Bean Official Firmware[Guide]

The Roll-out of Android 4.3 Jelly Bean is about to be finished for Samsung Galaxy S3 I9300, now only the non-so-important regions are left. Android 4.3 XXUGNA7 Jelly Bean is now available for Samsung Galaxy S3 and this firmware is just like any other typical Android 4.3 Jelly Bean, but without any lock screen delay. You can install it via OTA update or Using Samsung Kies it can be installed. But those who haven’t received it by any case they can install it manually by following our tutorial below. We all know that Samsung is working on  Kit-Kat mode and the time is not long when they will release it for everyone, till then keep enjoying Android 4.3. Thanks to SamMobile, for providing us the firmware File that we will use in our tutorial below. This Firmware is totally Un-branded, which means it can be installed on any region unlocked device.

AndroidPIT-Galaxy-S3-Side

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 Update Galaxy S3 I9300 To Android 4.3 XXUGNA7 Jelly Bean Official Firmware.But before we begin, Make sure:

  1. That you have a Well Charged Battery.
  2. Back-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.
  3. Back-Up your Mobiles EFS DataHow To Restore and Back-Up EFS Data On Samsung Galaxy Devices

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:.

  • Enable USB debugging mode.
  • Make sure that battery level is at 85% or more.
  • This Tutorial is Only For Galaxy S3 I9300.

Android 4.3 XXUGNA5 Firmware Details:

Version: Android 4.3
PDA: I9300XXUGNA7
CSC: I9300AUTGNA1
Date: 2014 January

Root Warning:

Since Android 4.3 XXUGNA7 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. You need to root your device again to gain root access and start installing Custom Tweaks on it

All done and good, let’s head towards the Next page to See, How you can install Android 4.3 XXUGNA5 Jelly Bean Official Firmware on on your device, Galaxy S3 I9300.

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