Unlock iPhone 4S Running iOS 5.1.1 Using Gevey Sim Ultra S

iPhone 4S Unlock Using Ultra S Gevey Sim - Works On iOS 5.1.1

ApplenBerry has just tweeted that iPhone 4S can be unlocked using Gevey Sim Ultra S running on iOS 5.1.1. Gevey Sim Unlock has been a life saviour for all iPhone 4 and iPhone 4S users. As iPhone Dev-Team was unable to find a permanent unlock for A4 and A5 devices, ApplenBerry's Gevey Sim helped iPhone users to unlock their devices so that they can be used on any carrier. You can purchase Gevey Sim Utra S for unlocking iPhone 4S and Gevey Sim Ultra for iPhone 4.

The benefit of using Gevey Sim Ultra S is that you don't need to rely on jailbreak and hence you don't need to wait for a tethered or an untethered jailbreak for iOS 5.1.1. Even though there is no untethered jailbreak for iPhone 4S running iOS 5.1.1,  iPhone 4S users can still unlock their iPhones using Gevey Sim Ultra S GEVEY Sim interposer makes use of an exploit that allows the iPhone 4S to be fully unlocked.