If you just received the update for your Galaxy S3 I9300 or if you manually updated to the latest Android 4.1.1 UBDLJ1 Jelly Bean, your device lost all root access you previously had. Therefore you’re going to need a tutorial on how to root Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean . The following article will guide you through the necessary steps. Make sure you follow the steps to root your Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean properly, so that your device won't get damaged.This rooting method for Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean uses CF-Auto-Root-m0-m0xx-gti9300.zip to obtain root access, and you will need to use Odin v3.07.!!! Important. Rooting your Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean will void your warranty. Also this procedure is not an official one, so bad things may happen to your device. For that, we cannot be held responsible for any damage. You assume your own risk by continuing with the tutorial.Rooting Requirements
How to root Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean :
Extract the content from CF-Auto-Root-m0-m0xx-gti9300.zip and place it in a folder.
Extract the content from Odin v 3.07 to obtain the odin exe file.
Turn off your phone.
Reboot Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 in Download Mode (Press Volume down + power + home buttons)
Start Odin v 3.07 (Right Click and press run as Administrator)
Connect the Galaxy S3 I9300 to your computer with the USB cable. Wait for Odin to recognize your device by showing the yellow box in the left upper corner.
Click on PDA and add the file you extracted from CF-Auto-Root-m0-m0xx-gti9300.zip
When you are ready click on START
At the end of the rooting process your Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 will reboot. That means the phone is rooted.
This is it. You now have your Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean rooted.
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What's my model number?
There are several ways to locate your model number:
Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
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If you just received the update for your Galaxy S3 I9300 or if you manually updated to the latest Android 4.1.1 UBDLJ1 Jelly Bean, your device lost all root access you previously had. Therefore you’re going to need a tutorial on how to root Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean . The following article will guide you through the necessary steps. Make sure you follow the steps to root your Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean properly, so that your device won't get damaged.This rooting method for Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean uses CF-Auto-Root-m0-m0xx-gti9300.zip to obtain root access, and you will need to use Odin v3.07.!!! Important. Rooting your Galaxy S3 I9300 running Android 4.1.1 UBDLJ1 Jelly Bean will void your warranty. Also this procedure is not an official one, so bad things may happen to your device. For that, we cannot be held responsible for any damage. You assume your own risk by continuing with the tutorial.Rooting Requirements