How To Root Galaxy S3 on Android 4.1.2 firmware – Guide
Rooting gives you full control over your Android device, this is the reason a lot of people always love to keep their Android smrtphone. Recently the Samsung pushed out the Android 4.1.2 Jelly Bean firmware for Galaxy S3 I9300 that brought a lot of useful features to create more fun with the phone. Those of you have upgraded their Galaxy S3 with Android 4.1.2 and now want an easy-to-use tool to root Galaxy S3 Android 4.1.2 firmware, here’s CF-Auto-Root tool developed by a senior XDA developer Chainfire that makes your life easy.
This guide shows you how to root Galaxy S3 Android 4.1.2 firmware. You need a Windows PC with USB drivers installed, you may use Samsung KIES to install them but during rooting process, it must be disabled. You should make a backup of your device data such as SMS, internet setting, contacts music files etc because the below procedure may wipe data, you can sync your contacts with Gmail account and for messages use SMS apps, lastly use file expert app to backup apps.
DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or gets damaged following this guide.
Step #2: Unzip both downloaded zip files into a folder.
Step #3: Open the folder where you’ve unzipped above file and run Odin3 v3.07.exe.
Step #4: Turn the device off.
Step #5: Reboot the device into download mode by holding down the volume down, home and power buttons.
Step #6: In download mode connect the device to PC using USB cable. Odin will detect the device, ID:COM will turn yellow and a message saying ADDED will appear. (Note: If Odin doesn’t detect the device, make sure that USB drivers are properly installed on your computer).
Step #7: Click on PDA Button and locate CF-Root-SGS3-v6.4.tar from the folder where you’ve unzipped above files in the step 1. (Note: Don’t make any change in Odin, just make sure that re-partition is unchecked).
Step #8: Click on Start button to start installation, once the installation done, your device will reboot itself and you’ll see message saying PASS (Note: If Odin refuse to install the update and show message FAIL, or get stuck, close the Odin and unplug device, then pull out battery from the device for a few seconds. Then put the battery back to the device and reboot into download mode. Then install the firmware again.
Step #9: Unplug the phone from PC.
Great job, your Samsung Galaxy S3 is rooted now and ClockworkMod recovery is installed on the phone too. However it’s important to note that this root tool increase the flash counter, so download and install Triangle Away on your Galaxy S3 that can reset the flash counter, Enjoy!