Updated your Galaxy S3 GT I9300 with the latest version of firmware dubbed as XXUGML3 which is Jellybean 4.3 Android OS? Then we would like to help you root the device with simple steps over the due course of this article. The best part of this is that once you root the device, you can then install custom ROM firmware which we will be coming out very shortly based on the KitKat 4.4.2 firmware. Unfortunately, there is no ETA on by when there will be the official KitKat 4.4.2 firmware released for Galaxy S3 device.
Quick Pre Requisites:
- All the data in your Galaxy S3 should be backed up with the help of below mentioned steps so as to make sure that just in case if the data gets lost or corrupted, the same can be restored manually with below steps.
SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log – Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
- Enable the USB Debugging Mode in your computer from the path “Settings > Applications > Development > USB debugging”. Also, the minimum battery life should be a minimum of 40% or else there is a risk of device getting turned Off in the middle of firmware update.
- Please be informed that once the device is rooted, the warranty will get void. To roll back the lost warranty, you need to apply the XXUGML3 update.
Disclaimer: We should not be held responsible or liable in any manner for any damage caused to the device. Also, make sure that this firmware is not applied to the Network Locked Devices.
Warning: Please note that this rooting process should only be applied the devices which are on XXUGML3 version of Jellybean 4.3 and not on any other model of Galaxy S3 or OS.
Assuming that you are done with all the above mentioned steps, let’s head over to the next section where we will be checking out on how to apply this firmware update.
Procedure to Root Galaxy S3 on Jellybean 4.3 Firmware XXUGML3 Update:
- Download XXUGML3 Rooting Package along with Odin from here to your computer. Once downloaded, you now need to enter your Galaxy S3 I9300 in download mode.
- Turn off your Galaxy S3 I9300 and after 5 seconds, hold the Volume Down button + the Home key button (the middle button). While holding these both buttons, you need to switch ON your device to see the Green Robot on the screen.
- Connect your device in Download mode with the computer in which you have opened the Odin. In Odin you will see that the ID:COM section will turn yellow indicating that all the drivers are installed successfully.
- Once done, click on “PDA” to choose the Rooting tar file which you got after extraction and click on “Start” to start the process of rooting. It will take around a minute for rooting the device. In some cases it may taken even longer time than expected.
- Download the “Root Checker” app from the Google PLAY Store to check on whether the device is rooted or not. Just in case if the device is not rooted, you need to retry the process of rooting.
Note: If at all your Galaxy S3 gets in the boot loop sequence then you need to turn off the device and then reapply the update from the start. To turn off you can reinsert the battery or say you can long press the power button.
Do let us know in the comments section or on out Facebook / Google+ Page if you face any issues. We will very soon be coming up with the detailed guide which will help you install the custom ROM firmwares.