Is there an unlock for iPhone 4S 5.1.1 with baseband 2.0.12?
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gepax22 • September 18, 2012 at 10:41am
I am looking for a way to unlock my iPhone 4S running iOS 5.1.1 with baseband 2.0.12.
Answers
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raghupro • September 19, 2012 at 4:02pm
There is no software unlock available for the iPhone 4S on this baseband. You will need to use a SIM interposer (like a Gevey SIM) or a permanent remote IMEI unlock, which is supported by most networks.
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iClarified • January 11, 2026 at 8:36am
There was never a software-based unlock (such as UltraSn0w) released for the iPhone 4S on iOS 5.1.1 with baseband 2.0.12. The only methods to unlock this specific device were through the use of a SIM interposer (like the Gevey Ultra S or R-SIM) or by obtaining a permanent factory IMEI unlock through your carrier. Most carriers will now unlock the iPhone 4S for free if the account is in good standing or the contract has expired.