However, luckily you can continue to use your Gevey Ultra S to unlock iPhone 4S on iOS 5.1.1 baseband 2.0.12.
According to the most recent news — Gevey Ultra S can unlock iPhone 4S with basebands 1.0.11, 1.0.13, 1.0.14, 2.0.10 and 2.0.12. At the moment this harware unlock solution is only compatible with GSM-version of the iPhone 4S.
iPhone 4S iOS 5.1.1 Supported Basebands with GEVEY Ultra S
|Gevey Ultra S iOS 5.1.1 Supported Basebands|
GEVEY Ultra S and differences between Ultrasn0w ToolGEVEY Ultra S is a hardware unlock solution that allows you to unlock your non-jailbroken iPhone 4S. Gevey Ultra S is a SIM-sized hardware piece — inserted into your iPhone together with your unofficial Sim Card will free your iPhone from carrier limitation. Compared with the Dev-Team's ultrasn0w tool, Gevey Ultra S is hardware based — paid unlocking solution.
|Gevey Ultra S|
Gevey Ultra S for GSM iPhone 4S Unlock Features
- True Plug-and-Play Unlock with no Jailbreak required
- Works with Modem Firmware 1.0.11, 1.013, 1.0.14, 2.0.10 and 2.0.12
- Unlocks GSM iPhone 4S on iOS 5.0, 5.0.1, 5.1 and 5.1.1
- Works with all iPhone 4S SIM Cards
- No Need to Dial International Emergency Number 112
- No SIM Card Cutting or Physical Modifications
- Decreased Power Consumption
- Custom SIM Tray Included