Root Galaxy Grand Duos Running Android 4.2.2 XXUBNA4 Jelly Bean Official Firmware[Guide]

Before going any further, Follow the link to update your Galaxy Grand Duos to XXUBNA4 Android 4.2.2 Jelly Bean:

Update Galaxy Grand Duos To Android 4.2.2 XXUBNA4 Jelly Bean

Now that you have Updated your device to Android 4.2.2 Jelly Bean and as per rule of installing Official Firmware, your device will loose its root access. The only way to get it back, is by rooting it again. Rooting allows you to get full control over your device, Stock apps and mods are good, but installing Custom Mods gives you better support and great battery life, you might need to delete some Stock apps from the device, a non-rooted device can’t do that, but a rooted one has the power to remove stock apps too.


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 Root Galaxy Grand Duos On Android 4.2.2 XXUBNA4 Jelly Bean Official Firmware.But before we begin, Make sure that:

  1. That you have a Well Charged Battery, 60%-80% is better.
  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.
  4. Check your device model, Go To Setting > About and Make sure that it is Galaxy Grand Duos.
  5. Do-not try it on Carrier Bound Galaxy Grand I9080L.


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.


Rooting an Android device Voids Manufacturers Warranty, this Rooting method for Galaxy Grand Duos is tested and Found Working. If you don’t follow the Procedure as we instructed, You only are responsible for your device. We won’t be liable if any damage occurs to your device and/or its components.

All done and good, let’s head towards the Next page to See, How you can Root Galaxy Grand Duos.

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  • Usama Mujtaba

    @disqus_9uysWEm277:disqus what’s your device model number? this guide is for Galaxy Grand 2 only.

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