If you have an iPhone 4 or iPhone 3GS running iOS 4.x.x, unlocked with UltraSn0w / Gevey SIM and now want update to iOS 5, you’ll have to preserve iPhone 4/3GS baseband to keep your unlock. These are the steps to preserve iPhone 3GS, iPhone 4 baseband while updaing to iOS 5 firmware…
With the release of iPhone firmware 3.1.3 many of the iPhone unlockers lost their iPhone unlock capability because iPhone OS 3.1.3 updates baseband to 05.12.01 which is not unlockable ATM. In this iPhone guide you’ll learn how to downgrade iPhone Baseband 05.12.01 to 04.26.08 so that you may regain your unlock and use any Carrier […]
A few weeks back, we wrote a step-by-step iPhone guide on How to Downgrade iPhone 3G (2.2.1) Baseband 2.30 to 2.28 for Unlock. That guide let you downgrade iPhone 3G baseband 2.30 to 2.28. But there are two limitation to that guide. Your iPhone 3G Bootloader version must be 5.08. You need to go through […]
In this iPhone Guide, you will learn how to downgrade Baseband 2.30 to 2.28 for your iPhone 3Gs having Bootloader 5.8. After downgrading the Baseband you will be able to Unlock iPhone 3G with YellowSn0w. Gurus are working on a similar exploit for higher Bootloader versions. Prerequisites: Make sure your iPhone Bootloader version is 5.8. […]
If u do not know what is iPhone firmware/ iOS or iPhone baseband, hit the link below to know about iPhone Firmware and iPhone Baseband. What is: iPhone Firmware and iPhone Baseband Now the question is, how to check iPhone firmware version and Baseband version? By following the Step-by-Step guide below, you will find the […]