Gevey Sim still works on iOS 4.3.4 firmware released by Apple few days back. iPhone blog Redmondpie confirmed that iPhone 4 4.3.4 can still be unlocked with Gevey Sim cards [Gevey Ultra Sim , Gevey Turbo Sim , Gevey Pro Sim] as the baseband 04.10.01 remains unchanged after upgrade .
So go ahead and upgrade your device to iOS 4.3.4 using iTunes 10.4 and unlock . Gevey Ultra Sim Unlock bypasses manual 112 dialing . You can follow the unlock procedure here . We recommend you to Buy Gevey Sim Ultra from Amazon for secured shipping and delivery . Available for shipping all over the world .
For all your gevey related queries , please visit our Jailbreak Forum and Ask your Questions .