How to unlock iPhone 4 on 5.0.1 iOS with Gevey SIM ? Well, iOS 5.0.1 firmware has been released specially to improve performance and fixing bugs for all iOS devices.

Many iPhone 4 users who rely on unlock using Gevey SIM, are concerned about this update as they may lose the unlock. So we gonna show you how to updated and unlock your iPhone 4 on iOS 5.0.1.

—- Here’s what we gonna do :
Gevey SIM can unlock iPhone 4 that running baseband (modem firmware) up to 4.10.01, so in this guide we will show you how to update your iPhone 4 to iOS 5.0.1 with preserving the unlockable baseband. This step can be done using PwnageTool , as it will cook custom firmware that will be used with iTunes to restore your iPhone 4.

You have to know that if you updated your iPhone 4 to stock iOS 5.0.1 firmware, it will update your iPhone 4′s baseband to 4.11.08 which can’t be unlocked so far.

P.S. GDeluxe: we recommend to buy it from Amazon for secured shipping and delivery.

-> READ ABOUT HOW TO MAKE CUSTOM IOS 5.0.1 FOR UNLOCK HERE. <—-