The international version of Galaxy S III got it’s root treatment earlier on xda. U.S owners, Wondering How To Root Galaxy S III? Well, the guys at XDA Developers have been working hard to make it possible for all the carrier branded devices. You can head over to xda forum and follow the instructions for rooting and unlocking. Here are the links for T-Mobile, AT&T and Sprint How To Root Galaxy S III. You may also interested in [SIM unlock Galaxy S III easily with this free app : Voodoo Galaxy S III SIM Unlock.]
Also, as the source code for the Galaxy S III has been made available by Samsung. Soon we’ll see custom ROM’s and lots of customization options popping up online. Also You may install apps like Titanium Backup to get rid of some carrier bloatware and optimize the overall performance. There are tons of root apps you can give a try, most of them are very useful and can completely change your perspective of the device. Remember to thank the guys at XDA for all their efforts.