iBooty 2.2 for Tethered iPhone iOS 4.3.1 Unlock with UltrasnOw
iBooty 2.2 utility is released which is usually used in Tethered Unlocking and jailbreaking Process of iOS 4.3.1. So far, Snowbreeze 2.4 b1 is Tethered jailbreak for iPhone iOS 4.3.1 so you have to use iBooty utility for make it bott in tethered mode which must after Jailbreaking with SnObreeze 2.4 b1 procedure.
now guys as we all know the iBooty 2.2 has been released so you have to get it, while making your idevices Jailbroken and Unlocked on IOS 4.3.1 wit UltrasnOw 1.2.
Here is the Downloading links for it.
Download iBooty Utility 2.2 version
Src : Crunchitech.com