Root UBDLJ2 Android 4.1.1 on Galaxy S3 I9300 Jelly Bean Official Firmware

There has been a new software updateavailable - UBDLJ2 Android 4.1.1Jelly Bean – we have a root tutorial for that as well. We have the entire tutorial for you to easily root your phone with the latest Android 4.1.1Jelly Bean. We will be using the method of CF-Root to root UBDLJ2 as that is the easiest method to use with ODIN.

As you continue reading below, we will guide you through the entire process of how to root Android 4.1.1 UBDLJ2 Jelly Bean on Galaxy S3 I9300 with complete steps. It is always recommended that you backup your apps and personal data as given below in the tips. Never take risks with your personal data during the rooting process. For those who do not know, rooting Galaxy S3 I9300 will allow you to install root apps, custom recovery and install system tweaks. Let’s get on with the tutorial now.

Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We (TeamAndroid.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial 

NOTE: Your Samsung Galaxy S III I9300 should be on the Android 4.1.1 build UBDLJ2 firmware in order to apply this root method.

Make sure you have installed all your USB drivers for the Samsung Galaxy S III to connect it with the computer. Download Samsung Galaxy S3 USB drivers! Apart from just the USB drivers, there are a few more things that you need to take care of.

1. You need to enable USB debugging mode. This helps to connect your Android phone with the PC.

2. Your phone battery should be 80-85% charged. If your phone goes off suddenly because of battery, during flashing ROMs or installing mods and updates — your phone might go dead permanently. 

3. Backup all your important data that you might need as soon as your flash a new ROM, or make a backup for just in case, you never know when anything might go wrong. See below on how to backup data.

Now, let’s proceed with the tutorial on the next page and root Galaxy S3 I9300 on UBDLJ2 Android 4.1.1 firmware.

We have put together a detailed step-by-step instructions guide on how to update Samsung Galaxy S III to Android 4.1.1 UBDLJ2. 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 UBDLJ2 Android 4.1.1 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 v1.85 (if needed) which will help you to install Android 4.1.1 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 whileyour 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 seethe home screen, unplug your phone from the computer.

That’s it. Your Samsung Galaxy S III has now been rooted on Android 4.1.1 build UBDLJ2 software update. Check for the Superuser app in your apps list to verify.

Hit +1 or LIKE as a thanks to us!

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.