Rocky Racoon is a cydia app or so called package that can convert your recently tethered jailbreak in to the Untethered jailbreak for the iDevices running the most recent iOS 5.1.1.
This package is made available to all the tethered jailbreak users by the Chronic Dev Team, and a special thanks to the Absinthe 2.o Jailbreak. I think this is the thing, you are waiting for from a long time i.e untethered jailbreak, because being on a Tethered jailbreak is always a bit risky and will waste a lot of time by tethering your iDevice again and again.
So, your wait is over, as far as the installation of this package is concerned, you already know that how easy it is to add all the cydia packages. Moreover, this Rocky Racoon 5.1.1 Cydia package is very similar to the Corona’s package.
So, let’s not go in details and see the Steps to Jailbreak iOS 5.1.1 Untethered using the Rocky Racoon Cydia app.
How to Untether Jailbreak iOS 5.1.1
Just launch Cydia from your iDevice’s screen and tap on the Search column on the Tab bar and perform a Search there for the term, “Rocky Racoon”. Once you pressed the Go button, you will see there a Package named Rocky Racoon iOS 5.1.1 Untethered.
Just click on it and install it and follow the on-screen instructions. This tool will allow your iOS 5.1.1 device to reboot without requiring an external tool like redsn0w.
Now, once its done, it’s time to check it out whether its working or not. This method is working 100%, so please don’t comment unnecessarily. If you don’t prefer to use this method for some reason, then you cal also use the Absinthe for the iOS 5.1.1 Jailbreak.