If you are one of those that like to tinker with your smartphone, and happen to own a T-Mobile Samsung Galaxy S3, it appears you can now root the smartphone with custom recovery along with out affecting the flash counter and voiding your handset’s warranty, and still using Odin.
According to a report over on International Business Times, the guys over at XDA-developers have come up with a way to achieve the T-Mobile Samsung Galaxy S3 root that works on a single file from the rooted stock image file root66, and users will have to flash this file over Odin with Auto Restart and F Time Reset options enabled.
Apparently the rooting procedure is for the Samsung Galaxy S3 on T-Mobile, Wind, and Mobilicity, and will not work on other models.
What you do is extract the root66 tar file from the .7z file, and then put your Galaxy S3 into download mode, connect to a PC and launch Odin. When Odin has loaded, click the PDA field and select the root66 tar file, and leave Auto Reboot and F Reset Time ticked, and then click start, once done let your handset reboot.
You can stop there if you only want a stock rooted handset without custom recovery, otherwise you can now install ClockworkMod Touch recovery for the T-Mobile Galaxy S3 by hitting up here.
Obviously as always anyone attempting to root their device should take the precaution of backing up their data before doing so just in case things do happen to go a little wrong. However, if you do fancy giving it go, you can grab all the necessary by heading over to XDA-Developers, and feel free to let us know how it all goes.