Guide to Root XXEMD3 Android 4.1.2 Jelly Bean on Galaxy S3 I9300

You can update your Galaxy S3 I9300 to I9300XXEMD3 Android 4.2.2 Jelly Bean Official Firmware by going through our guide. And here is how you can root your Galaxy S3 I9300 running XXEMD3 Android 4.2.2 Jelly Bean Official firmware.

Disclaimer:
In order to root your Android device, we will require to flash a rooting kernel to your phone. We will be flashing a rooting kernel in your Galaxy S3 I9300 running on XXEMD3 Android 4.2.1 Jelly Bean official firmware using ODIN. This will root your device. However, in this process you may lose your personal data and settings.
Please do also note that once your device is rooted, you warranty
will be considered void by the OEM. You can, however, reclaim the
warranty by re-applying official firmware update.

Download

1. CF-Root-SGS3-v6.4.zip to root I9300XXEMD3 firmware [File: CF-Root-SGS3-v6.4.zip]
2. Odin 3.07

Guide to Root XXEMD3 Android 4.2.2 Jelly Bean on Galaxy S3 I9300

1. Download and extract CF-Root-SGS3-v6.4.zip. You will obtain a CF-Auto-Root-m0-m0xx-gti9300.tar.md5 file in the unzipped folder.
2. Extract Odin zip file and you will get Odin3 v3.07.exe.
3. Switch your phone off. And make sure that you wait 5-6 seconds to confirm complete the power down cycle.
4. You will then put your Galaxy S3 I9300 phone in Download Mode by
   pressing and holding down the Volume Down button, alongside Home and the
   Power button. A screen will then come up; warning you about entering
   into Download Mode, press the Volume Down key to continue to enter
   Download Mode.
5. Run Odin3 v3.07.exe with Administrator rights.
6. Now that you are all prepared to root your phone, connect your
   Galaxy S3 I9300 with your PC. You will then see a notification appear in
   Odin in the bottom left saying “Added!!”. If for some reason, you do
   not see the said notification, try another USB port. If that too doesn’t
   work, then reinstall the USB driver. Once you successfully see the
   “Added!!” notification in Odin, you are good to go. Also, check for COM
   port being depicted by a number in ‘yellow’ to make sure that you have
   successfully added your device.
7. Select these files in Odin at their respective buttons:
   • Click the PDA Button, and select the CF-Root-SGS3-v6.4.tar file.
   • In Odin window, make sure Auto Reboot and F. Reset Time checkboxes are selected.
   • Double check everything. Hit the START button to begin the flashing process.
   • Once the flashing process is completed, the phone will automatically
     reboot and you will see a ‘Green’ PASS notification in the
     top-left-most box. You can unplug the device from the computer now.

Your Galaxy S3 I9300
running I9300XXEMD3 Android 4.2.2 Jelly Bean firmware is now rooted. If
there are any issues, feel free to post in the comments section for our
staff to take a look at it.