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My unlocked iPhone 4 (via Gevey Sim) is still on version 4.3.3 with firmare 04.10.01. How do I upgrade to iOS 5+ without losing my unlock? I'm on T-mobile and when I bought my iPhone 4, I couldn't use it since the unlock for my firmware had not come out yet.
This is a step by step instruction demo on how to unlock the iPhone 4 with GEVEY Turbo SIM.
15 maj 2011 · YouTube - iPhone 4 UNLOCK FOREVER! GEVEY SIM iOS 4.1 - 4.3.3 ALL BASEBANDS! - iOS Vlog 399 The Gevey sim is an alternative hardware unlock for the iPhone...
i have 4.3.3 and i want to update to 4.3.5 but i unlocked it with the gevey sim now i found out it is possible to use the gevey sim on 4.3.5 but im not sure...
Gevey All in One AIO is the latest version of Gevey SIM which can be reprogrammed using special reader to work in different modes. It's the first type of card which you can easily reprogram without need to purchase a new card - within 1 minute it can work as ULTRA, SUPREME, PRO PLUS, PRO edition. It can also work as iPhone activation card.
If one does not have baseband 01.59.00 on their iPhone 4 (iPhone3,1), this is one of the only ways to unlock the iPhone for unauthorized carriers. The Gevey SIM is a "tethered" unlock, requiring an emergency call to 112 in order to connect after every baseband reboot. Its legality has been questioned multiple times.
This reddit page is a community for all gevey pro sim unlock user to communicate and find most current ICCID