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How to root Samsung Galaxy S3 I9300 On Android 4.1.2 Jelly Bean (XXELLA) Official Firmware

South Korean manufacturer Samsung started rolling out the unbranded I9300XXELLA Android 4.1.2 Jelly Bean update on January 3rd. The update was intended for Galaxy S3 I9300 and comes with features that could also be found in later devices like Galaxy Note 2 N7100.

Here are some of the features the update brings:

  • Multi-View (Multi-Windows Multitasking, same as in Note 2)
  • Continues Input in Samsung Keyboard
  • New Gallery App (same as in Note 2)
  • Customizable Notification Panel
  • Page Buddy
  • Brightness Slider in Notification Panel
  • Smart Rotation
  • Paper Artist App
  • Group Cast App

The XXELLA Android 4.1.2 Jelly Bean update was released via the Samsung KIES and users can now download it anytime. If you haven’t updated your device yet, we advise you to do so. But for those who were fast enough to update their device the same day the firmware was released, there’s good news: you can now root the firmware on your phone. The rooting process will involve using the application called ODIN and ClockworkMod Recovery is not required. There are few reminders before you take the first step to rooting the firmware:


  1. Owners are advised to check the model number of their device because this will only work for Samsung Galaxy S3 I9300 and no other. Head to Settings => About phone to check the model number.
  2. Backup all important data inside your phone including SMS messages, files, videos, etc…
  3. Ensure your phone has, at least, 80% battery left. It is most recommended you fully-charge your phone before you proceed just to make sure it does not run out of power during the rooting process.
  4. Enable USB Debugging mode. You should also check if all necessary drivers are installed in your computer.

Files to Download

  1. – download the package into the directory you can easily find and access and extract its contents.
  2. ODIN v1.85 – you need to extract the contents to find the application.

Step-by-step Guide

Step 1: Run the ODIN application. Make sure you run it as “Administrator.”

Step 2: Turn your phone off. Press and hold HOME + VOLUME DOWN buttons together and press POWER button until you see the Android robot and a triangle. You need to press POWER button once more to confirm you want to boot into Download Mode.

Step 3: Connect your phone to your computer using the original USB data cable. If the connection is good, one of the ID:COM boxes on ODIN interface will turn yellow and displays COM port number. Otherwise, recheck if all drivers are installed in your computer.

Step 4: Now, click on PDA button found on ODIN’s interface and browse through the directory where you’ve extracted contents of and look for CF-Root-SGS3-v6.4.tar.

Step 5: After selecting the .tar file, check options Auto Reboot and F. Reset Time.

Step 6: You now click on the Start button to begin the rooting process. Wait until your phone is rebooted and fully active before you unplug it from your computer.

Your phone’s firmware should be rooted by now. But if you want to check, you can download Root Checker from the Play Store to do so.

Disclaimer: All mods, firmware, updates and tools mentioned in this tutorial belong to their respective developers. The Droid Guy cannot be held liable for damages or anything that would happen to your device. Root your phone at your own risk.

[credits to: XDA Developers]

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