Unlock iPhone 4S, 4, 3GS with iOS 5 – No Hack, No Jailbreak Required
― Although there’s mixed response to the method to unlock iPhone 4S, 4 or 3GS for free, here’s the way to unlock your AT&T iPhone 4S anyway. There’s no harm in trying – so you can try and tell us if it worked for you. Only AT&T iPhone 4S can be unlocked using this method and [...] .
