Jailbreak iOS 4.2.1 GM with Redsn0w

The download of iOS 4.2.1 GM just became available to developers, but the jailbreak community has moved quick and determined that existing versions of redsn0w can indeed jailbreak iOS 4.2.1 GM. The downside is that the existing version of Cydia crashes on a jailbroken iOS 4.2.1, meaning you’d have to install apps through SSH. Unless … Read More