Root XXUGMK7 Android 4.3 on Galaxy S3 I9300 Official Firmware

• Last modified: Tips

How to Root Android 4.3 XXUGMK7 on Galaxy S3 I9300

We have put together a detailed step-by-step instructions guide on how to update Samsung Galaxy S III to Android 4.3 XXUGMK7. If you are used to installing official updates through ODIN on Samsung Galaxy devices, then this should not be any different for you.

Please read every line carefully and read the entire tutorial first before actually performing it on your Galaxy S3 I9300.

To Remember:

  • This root method tutorial is only for Samsung Galaxy S3 I9300. Please don’t try this on any other variants of the phone.
  • Make sure you backup all your data in your phone before proceeding as a precaution. No data will be lost though.
  • You should be on XXUGMK7 Android 4.3 software version.

Complete Step-By-Step Instructions:

Step 1 - Download CF-Root-SGS3-v6.4.zip for Galaxy S3 to your computer and extract the zip file.

Step 2 - Download ODIN v3.09 which will help you to install Android 4.3 on Samsung Galaxy S3 I9300.

Step 3 - Switch OFF your phone. Now go to Download Mode on your phone. How? Press and hold the Volume Down + Home buttons together, and then press the Power button till you see the construction Android robot and a triangle. Press Power again to confirm to enter into Download Mode.

Step 4 - Make sure you have your Galaxy S3 USB drivers installed on your computer.

Step 5 - Open ODIN on your computer. Connect your phone to your computer while your phone is in the Download Mode.

Step 6 - If your phone is connected successfully, one of the ID:COM boxes will turn yellow with the COM port number. This step might take some time.

Step 7 - Now select the root package file that you have to flash/install on your phone. These files are to be found from the extracted file in Step 1.

  • Click on ‘PDA’ and select the file CF-Root-SGS3-v6.4.tar.

Step 8 - In ODIN, check the Auto Reboot and F. Reset Time options. Do NOT touch any other options.

Step 9 - Now click on the Start button in ODIN. Installation process will start and would take a few minutes to complete.

Step 10 - After the installation is completed, your phone will restart. After you see the home screen, unplug your phone from the computer.

That’s it. Your Samsung Galaxy S III has now been rooted on Android 4.3 build XXUGMK7 software update. Check for the Superuser app in your apps list to verify.

To make sure you have correctly installed the above root method and it’s working, verify with Root Checker as given in the link. We now have a full tutorial on how to unroot Galaxy S3 I9300 as well.

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If you run into any problems, feel free to drop us a comment below and we will reply you back ASAP with the fix or the solution to your problem.


  • Tal

    NOTE: In Odin v3.09 ‘pda’ was changed to ‘AP’.