New GEVEY Ultra for iPhone 4 is out for pre-order that supports iOS 5.1 with modem firmware up to 4.12.01. Applenberry’s GEVEY Ultra turbo Sim for GSM iPhone 4 will work for iOS 4.1, 4.2, 4.2.1, 4.3, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 5.0, 5.0.1 and iOS 5.1 with modem firmware 1.59, 2.10, 3.10.1, 4.10.1, 4.11.08, 4.12.01.
Currently, a tethered Jailbreak is available for iOS 5.1 for iPhone 4 but you can optionally install the BigBoss Semi Tether package. To jailbreak iPhone 4 on iOS 5.0 and 5.0.1, you can use redsn0w tool. All related jailbreak guides vis-à-vis iOS firmware can be located at our dedicated page - How to Jailbreak. You will also need to install the latest Furious Mod file for proper operation.
In order to unlock your iPhone 4 you are required to activate it through iTunes without your GEVEY Ultra installed. The second step would be to jailbreak your iPhone 4 using redsn0w. Follow the guide we have referred above in order to jailbreak your iPhone. Finally you have to install the Furious Mod file in order to use the New GEVEY Ultra. FuriousMod will patch the required iOS files to achieve the unlock.
The all new GEVEY Ultra for iPhone 4 packs a new chip set which operates under the 3-volt standard to save battery power. This new SIM interposer from Applenberry camp has enhanced signal strength for strong, consistent voice and data connection. To pre-order GEVEY Ultra to Unlock iPhone 4, you may visit here.
Befor buying Gevey SIM, we would advice everyone to try unlocking iPhone using SAM jailbreak package. The new method (unlock guide), unlocks all modem firmware (basebands) including 4.11.08 and 4.12.01 using SAM. It will save you $50. If the method doesn’t work, you can then pre-order Gevey Ultra SIM.