iPhone 3GS on iOS 5.1.1

Your State of Jailbreak:

Ready to Jailbreak

Good news! There is a jailbreak available for your iPhone.

Absinthe 2.0:

Absinthe 2.0 is the latest version of the very popular jailbreak program. Designed with the latest iOS devices in mind this is an excellent jailbreak that is fully untethered and very simple to use.

Absinthe 2.0 Tutorial