Yesterday we informed you that Gevey Ultra S can Unlock iOS 5.1.1 baseband 2.0.12 on iPhone 4S. But we also asked you to wait for positive reviews, before you spend your money.

Today we have a proof that Gevey Ultra S can Unlock iPhone 4S on the latest iOS 5.1.1 firmware.

We know that with every new iOS update Apple fixes a few security bugs and loop holes which permit to be unlocked these new basebands. But happily you can continue to use your hardware unlock tool — Gevey Ultra S to unlock your iPhone 4S on newest iOS 5.1.1 baseband 2.0.12.

Unlock iPhone 4S iOS 5.1.1 / 5.1 Without Jailbreak Using Gevey Ultra S

Unlocked iPhone 4S iOS 5.1.1 with Gevey Ultra S [Review]:

Unlocked iPhone 4S iOS 5.1.1

Unlocked AT&T 12.0 iPhone 4S iOS 5.1.1

iOS 5.1.1 Unlock with Gevey Ultra S

Keep in mind that Gevey Ultra S not work on iPhone 4 you have to wait for another unlocking solution that will unlock iPhone 4 basebands 4.11.08 and 4.12.01. If you want to pre-order Gevey Ultra S, you can find it in ApplenBerry’s online store for pice of $39.99.

Update: Our partner OfficialiPhoneUnlock can Factory Unlock iPhone 5, 4s, 4 and 3GS via IMEI code, read more here - Factory Unlock iPhone