Rooting Samsung Galaxy S3 is very easy by using the below mentioned Android rooting guide and a tutorial video. You can easily root Galaxy S3 by using the steps below and watching the video tutorial on How to root Samsung Galaxy. The rooting is provided by Xda developers member, cypher_zero. To root the Galaxy S3 you have to install ClockWorkMode CWM on your S3 via Odin and then install CMW superuser.
It is recommended to watch belows video carefully before you start the rooting process for your T Mobile Samsung Galaxy S3.
Taking a backup is recommended at this stage and you should do the rooting of you Android phone on your own risk, we are not responsible for any loss of data and malfunction of your galaxy s3 device.
Rooting Samsung Galaxy S3 [Tutorial]
Step wise guide on How to root Samsung Galaxy S3
Install CWM ClockWorkMode
Step 2: Put your Galaxy S3 into USB debugging mode by going to Settings => Applications => Development => USB debugging. Now turn Off your phone and just remove and reinsert the battery.
Step 3: Put your Samsung Galaxy phone into download mode: Press and hold Volume Down + Home + Power keys simultaneously.
Step 4: On your computer Run the ODIN application which you downloaded in step 1.
Step 5: Connect your device to your computer using the USB cable. If you have completed the above steps the Odin window will show that the device has been detected otherwise it will not respond.
Step 6: In the middle of the ODIN screen click the PDA button and select clockworkmod.tar and press Start Button.
Step 7: ODIN will start the process of flashing your Galaxy S3 firmware. The phone will reboot and the flash process is complete.
Rooting Samsung Galaxy S3
Step1: Download the software CMW_SuperUser_v3.07.zip
Step 2: Connect your device to your computer or directly copy CMW_SuperUser_v3.07.zip file into Galaxy S3 external SD card.
Step 3: Turn Off the Galaxy S3.
Step 4: Put your device in recovery mode. Press Volume Up + Home Button + Power Button until your Phones boot into CWM Recovery Mode.
Step 5: Once your device is in recovery mode keep pressing the volume down button until you find the option “Install Zip From Sd Card”. Press Power button to select the “Install Zip From Sd Card” option.
Step 6: Select the copied file after you select the option “ Choose zip from SDCard”. Scroll down by pressing volume down and then Power button to choose “CMW_SuperUser_v3.07.zip”
Step 7: Select the option “Yes- Install CMW_SuperUser_v3.07.zip”. The installation will be completed in few moments and you will need to reboot your Galaxy S 3. Now it is rooted.