iFaith v1.4 Release notes:
● Now dumps iOS 4.4.x (Apple TV 2)/5.0.x apticket + SHSH blobs!
● Dumping is MUCH faster.
● Full Windows XP support.
● Major code improvements.
● Bug fixes.
Important: Please note iFaith does not support A5 devices yet.
You can find instructions on how to use iFaith here. You don't have to be jailbroken to do this and it is highly recommended.