Apple released iOS 5.1.1 firmware yesterday with some fixed bugs and some improvements, we told our jailbreakers to stay away from the update to ioS 5.1.1 but we have received many comments from the unlockers about the ability of the update to iOS 5.1.1 and the state of the GSM on iPhone 4S.ApplenBerry the unlocking solution company which is responsible for the Gevey Sim have announced via their official Twitter account,
“Good news! If you are currently using GEVEY Ultra S GSM to unlock your GSM iPhone 4S on iOS 5.1, you CAN upgrade to iOS 5.1.1?
Notes: Gevey Ultra S GSM model can only unlock GSM iPhone 4S running the new firmware iOS 5.1.1, but the CDMA model will need to be jailbroken which isn’t available on iOS 5.1.1 yet.
If you’re interested, you can find the Gevey Ultra S GSM in ApplenBerry’s online store for $39.99.