How to Root Galaxy S3 on Android 4.3/4.4.2! [NEW]
Here’s an updated tutorial for rooting all Galaxy S3 models including AT&T, T-Mobile, Sprint, Canadian, US Cellular, MetroPCS, Cricket, GT-i9300, GT-i9305, and even Galaxy S3 Mini. (It will not work on Verizon S3 as it has a locked bootloader.)
This will work on the following S3 models:
AT&T SGH-i747 T-Mobile SGH-T999/SGH-T999L Sprint SPH-L710 Canadian SGH-i747M US Cellular SCH-R530 MetroPCS SCH-R530M Cricket SCH-R530C GT-i9300 GT-i9305 Galaxy S3 Mini GT-i8190/GT-i8190N