Rocky Racoon iOS 5.1.1 Untethered Jailbreak Package from Cydia
Just this morning, the Chronic Dev Team released the Absinthe 2.0 jailbreak for iOS 5.1.1. For those of you who are already on a tethered 5.1.1 jailbreak, there is also a solution to untether your jailbreak so that you do not have to restore and jailbreak with Absinthe. If you have previously used Redsn0w to perform a tethered jailbreak on your device, simply search for and install the "Rocky Racoon" package in Cydia.
Rocky Racoon is the underlying untethered exploit that will be installed by popular jailbreak tools such as redsn0w and absinthe... if you are using 5.1.1 and you can reboot your device and have it still be jailbroken, you have Rocky Racoon.
If you device relies on Rocky Racoon for untethering, which includes nay iPad 2, iPad 3, or iPhone 4S running 5.1.1., uninstalling this package will unjailbreak your device.
Step 1: Open Cydia on your tethered jailbroken iOS 5.1.1 device.
Step 3: Search for Rocky Racoon 5.1.1 Untether in Cydia and install it.
Step 4: This will automatically untether your jailbroken iPhone 4, iPhone 3GS, ipad or iPod touch.
Step 5: Reboot your device and you will no longer need to do a tethered boot.