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How to Easily Root Galaxy S3 I9300 on XXUGNA8 Official Android 4.3 Firmware

As you know Galaxy S3 I9300 had just received a new Android 4.3 Jelly Bean OTA update. The firmware dubbed as XXUGNA8 is currently OTA available only in limited markets, so if you haven’t received it yet, then you should flash the software manually, by using a compatible step by step guide. In that matter you can anytime use our tutorial – go here. But after installing official Android 4.3 XXUGNA8 on your Galaxy S3, maybe you will want to root the new Jelly Bean firmware. Because of that we have developed the present root solution that can now be safely applied for SGS3 I9300 on stock JB 4.3 XXUGNA8 OS.

A root method should be applied only after ensuring that the root process is compatible with your Android smartphone and with the OS version that is installed on your device. So, in this case you need to use a root procedure that can be safely used on Samsung Galaxy S3 model number I9300; also your Android device must be running on official Android 4.3 Jelly Bean XXUGNA8 firmware. Therefore, don’t gain root access by using the steps from below if you own a different or similar Android smartphone or tablet because you will probably end up in bricking the same.

XXUGNA8 Android 4.3 represents the latest Android OTA update that has been released by Samsung for the Galaxy S3. Hopefully, XXUGNA8 is also the last Jelly Bean firmware rolled out, as we are all expecting the Android 4.4.2 KitKat software. The best is that XXUGNA8 is a stable ROM that is smoothly running on the Galaxy S3. But, unfortunately, when flashing the same your Android smartphone will be restored to factory settings. So, if you had a rooted Android device, after installing Android 4.3 official OS, the root access will be revoked.

Gaining root access is extremely important especially if you are an advanced Android user. Why? Well basically, on a rooted system you can install custom apps and tools that are requiring root access for being able to run properly. Also, on a rooted OS you can access the internal system for removing in built programs or for adding new features and capabilities. Also, root access is being required if you want to install a custom recovery image, flash a custom kernel, update with a custom ROM or even for overclocking your Android device.

As you can see, rooting your Galaxy S3 is not an option for you. This operation is actually the first step to complete when looking forward in improving the performances of your Android smartphone, or when trying to change the Android version that is being installed – via a custom ROM firmware. Considering the up mentioned lines, we can conclude that gaining root access isn’t an official operation – so this guide has nothing to do with Samsung. Also, by rooting your Galaxy S3 binary flash counter will be increased. So because of that, the warranty of your phone will be void.

You can restore the warranty afterwards by downgrading your smartphone to stock Android 4.3 XXUGNA8 OS, or by applying an OTA update – hopefully Android 4.4.2 KitKat firmware. Do note that on a rooted system the OTA releases can’t be spotted. So, because of that you will have to manually flash the official versions of the Android OS if you will want to revoke root access on your SGS3 I9300.

On this root procedure we will be using Odin, which is an official program that is usually dedicated to update operations. Anyway we will flash the root package as for a stock firmware, so the root operation will be similar with an update one. That’s why, you have nothing to worry about; you are in good hands.

For being able to avoid the unpleasant and unexpected situations or issues, before starting the proper guide take a look over the pre requisites list from below. Don’t skip this section because it is the most relevant one.

  • Backup the Galaxy S3 data. In order make a full and safe backup you can use compatible apps from Google Play – most of the tools are free distributed ones.
  • Save everything that’s there on the internal storage memory of your device including text messages, market apps, EFS folder, internet settings, contacts list and personal info, data and accounts.
  • A computer based on Windows is required as Odin must be installed on the same. Also, you will have to use your Galaxy S3 and its official USB cable.
  • A connection between the mentioned devices must be established. Because of that, on your phone enable USB debugging option – go to “menu – settings – developer options”.
  • The best will be to deactivate the security protection that is featured on your computer. Just temporarily deactivate the antivirus programs as these tools might interfere with the root operation.
  • Another thing to ensure is related to the battery status; if on your phone you notice that the power level is less than 50% I recommend you to plug in the charger before going any further – if your device gets turned off in the middle of the flashing procedure, you can brick your smartphone.
  • Of course, don’t forget that this root method is only compatible with Samsung Galaxy S3 model number I9300 that runs on official Android 4.3 Jelly Bean XXUGNA8 firmware.

How to Easily Root Galaxy S3 I9300 on XXUGNA8 Official Android 4.3 Firmware

  1. From here you need to download the root package.
  2. Save the file on your computer, preferable on desktop.
  3. Then, download Odin, unzip it and install the program.
  4. Unzip the root file on the same folder as Odin.
  5. Use Samsung KIES for flashing the Galaxy S3 drivers, in case you don’t have the drivers already installed on your computer.
  6. Run Odin on your PC.
  7. Turn off your phone as download mode must be entered.
  8. For download mode press and hold Volume Down, home and Power buttons at the same time.
  9. Up next, connect your Android smartphone with your computer.
  10. Now Odin will try to recognize your phone; if everything works as expected on Odin the “added” message will be displayed. Also the ID:COM will turn yellow or blue.
  11. If not, you will have to resolve the problem by closing Odin, unplugging the USB cord and re-flashing the drivers on your computer – then retry the root operation.
  12. From Odin you need to select the “PA” option.
  13. Then you have to pick the root package from desktop.
  14. Next, (without making any other changes on the program) click on “start”.
  15. Your Galaxy S3 I9300 on Android 4.3 XXUGNA8 will be rooted.
  16. The process will be over when on Odin the “pass” message will be displayed. Also, now the ID:COM will be green.
  17. You can unplug the USB cable and reboot your phone as you are done.

Congratulations; you have finally succeeded in rooting your Samsung Galaxy S3 I9300. So now you have unchained the XXUGNA8 Android 4.3 Jelly Bean official firmware which means that you can consider in tweaking your Android smartphone; you can update with a custom ROM or perform other complex operations, though each time you will have to use compatible tutorials, just like the present one. So, how things worked for you? Is everything running as expected? Don’t hesitate and share your experience with us and with other users who might want to root their handset by using the comments field from below.

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