How to root Samsung Galaxy S3 GT-I9100
For those of you who want to get most out of your Galaxy S3 GT-i9300, you will certainly want to root your Galaxy S3. Rooting your Galaxy S3 gives you lots of benefits like full control over your phone, ability to install custom ROMs, and a whole lot more. (If you would like a longer video explanation of what rooting does, please see this video “Why Root My Android Smartphone?”......
For those of you who have been waiting for a stable KitKat ROM, you long wait may just be over as CM11 ROM now has everything working out of the box for ALL Galaxy S3s including AT&T, T-Mobile, Sprint, Verizon, Canadian, Cricket, US Cellular, MetroPCS, GT-i9300, and GT-i9305. The latest CM11 ROM also includes the latest Android 4.4.1, meaning you will be right up to date with bleeding-edge of Android.
Unlike earlier versions of CM11 where we saw some bugs with camcorder/bluetooth and lack of features, the latest CM11 has added couple new UI customization.