Gevey Ultsa S Unlock Sim GSM for iPhone 4S! !

True Plug-and-Play Unlock with no Jailbreak required Unlocks GSM iPhone 4S on iOS 5.0, 5.0.1, 5.1 and 5.1.1 Works with Modem Firmware 1.0.11, 1.013, 1.0.14, 2.0.10 and 2.0.12 Works with all iPhone 4S SIM Cards No SIM Card Cutting or Physical Modifications No Need to Dial International Emergency Number 112 Guaranteed Better Reception than GEVEY Ultra Decreased Power Consumption Custom SIM Tray Included