Tutorial: Prevent iPhone 4 Baseband Update iOS 4.2.1 Upgrade

So you have an iPhone 4 with a baseband that is unlockable by UltraSn0w and you want to upgrade to iOS 4.2.1?  You can easily do this with the latest version of Tiny Umbrella and GreenPois0n. Incoming search terms:upgrade iphone 4 basebandiphone 4 baseband upgradehow to upgrade baseband iphone 4how to keep basebandPrevent iPhone4 Baseband […]

Tutorial: Untether iOS 4.2.1 Jailbreak

Greenpois0n was just updated to untether all devices on iOS 4.2.1.  Untethered means that you no longer have to hook your iDevice up to the computer to boot with a jailbreak. GreenPois0n is very easy to use but some people request tutorials so here we go.  Please note that this jailbreak is for firmware 4.2.1.  […]