Complete Fix Solution

How to Easily Root Galaxy S3 (LTE) ON I9305 Android 4.3 Jelly Bean Firmware_LTE version of the Samsung Galaxy S3 at the model number GT-I9305 has gained Jelly Bean Android 4.3 firmware update with build number I9305XXUEMKC. The new official firmware that is currently available as an Over-The-Air (OTA) update or through Samsung Kies.

Samsung Galaxy S3 (LTE) I9305 users who have updated their devices with Android 4.3 Jelly Bean, can root their devices by using the following tutorial.

This tutorial uses the CF-Auto-Root files released by XDA-Developers Senior Recognized, Chainfire. File CF-Auto-Root Galaxy S3, allowing users to root their devices easily without depending on the firmware. It is really support for Android 4.3 Jelly Bean and the upcoming firmware as well. To get to the main thread CF-Auto-Root to learn more about the root method.

1. Install USB Drivers for Samsung Galaxy S3 on the computer.

2. Enable USB Debugging Mode on the phone by navigating to Settings >> Developer Options.

3. Make a backup of all your important data before following the guide.

4. The Galaxy S3 should be factory unlocked and not locked to any particular carrier.

5. Ensure the battery of the phone is charged more than 80 percent.

6. The CF-Auto-Root file works only on the LTE version of the Samsung Galaxy S3 (GT-I9305). Applying this to any incorrect variant might brick the device. Verify the model number of the Galaxy S3 by navigating to Settings >> About Phone.

1. CF-Auto-Root for Galaxy S3 (LTE) I9305 (CF-Auto-Root-m3-m3zh-gti9305.zip)

2. Odin 3.07

Steps to Root Galaxy S3 (LTE) I9305 Running on Android 4.3 Jelly Bean Firmware

Step 1: Extract CF-Auto-Root and Odin 3.07 files using winrar/7zip/winzip or any other extracting tool.

Step 2: Switch off the Galaxy S3. Then boot the device into Download Mode by pressing and holding Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on Lcd. Now press the Volume Up button to enter Download Mode.

Step 3: Launch Odin on the computer as an Administrator.

Step 4: Connect the Galaxy S3 to the computer using USB cable while it is in the Download Mode. Wait until Odin detects the device. When the device is connected successfully, the ID: COM box will turn to light blue with the COM port number. Additionally, the successful connected will be indicated by a message saying Added.

Note: If the Added message does not appear, then try re-install USB drivers or changing the port on the computer.

Step 5: In Odin, click the PDA button and select the CF-Auto-Root-m3-m3zh-gti9305.tar.md5file.

Step 6: Verify that Auto Reboot and F. Reset Time checkboxes are selected in Odin. Also, ensure the Re-Partition option is NOT selected.

Step 7: Double-check and click Start in Odin. The installation process will now begin.

Step 8: Once the installation process is completed, your phone will restart and soon you will see a PASS message with green background in the left-most box at the very top of the Odin. You can now unplug the USB cable to disconnect your device from the computer.

Samsung Galaxy S3 (LTE) I9305 running on Android 4.3 Jelly Bean firmware is now rooted successfully. You can now install any app that requires root permission. Verify the root status of the device by downloading Root Checker app from Google Play Store.

Thanks to all fellas at XDA who first tried out this rooting technique. This method was originally posted via XDA-Developers original thread.