Untethered Jailbreak for iOS 4.2.1 on All iOS Devices Coming Soon

Twitter screen shot confirming untethered jailbreak of iOS 4.2.1

Don’t worry iPhone jailbreakers—the iPhone Dev Team has confirmed that an untethered jailbreak is working right now for iOS devices running version 4.2.1. (A ‘tethered’ jailbreak is one that requires you to plug your iOS device into your PC each time you restart it to re-jailbreak it.) While the hacker team has not yet released the jailbreak, a video has hit Youtube showing it in action.

Untethered iOS 4.2.1 jailbreak in action:

Like what you see? If you pause the video when the device info screen is up, you can see that it is indeed iOS 4.2.1 running here. Since all of the iOS 4.2.1 jailbreaks so far have been tethered, this coming untethered one is big news. Plugging your iOS device back into your PC to re-jailbreak it each time the battery dies or you need to restart it can be a huge pain in the butt and leave you without a working iPhone, iPod touch or iPad in a bind.

Unfortunately, the jailbreak is using the iOS 4.2 beta 3 right now and isn’t exactly ready for mass consumption. However, MuscleNerd—the iPhone Dev Team hacker who posted the Tweet describing the untethered jailbreak does say that Comex’s upcoming jailbreak might be work better. Ready for the real iOS 4.2.1 jailbreak we’ve all been waiting for? It’s almost here.

Of course, Apple is rumored to be preparing its iOS 4.3 update for launch near the end of December or early January which might make this process even harder. However, all past iOS models and all ones currently in production have an exploitable flaw in their hardware that allows jailbreaking. The big question is how long it will take the coming iPad 2 to be jailbroken. Not only is the iPad 2 expected to ship with iOS 4.3, it will probably have its hardware fixed to make the current jailbreaking methods obsolete.

With IDC analysts claiming that smart phone + tablet sales will hit the 400 million unit range in a year and a half, we’ll need all the jailbreaking methods we can get. Smart device sales (phones and tablets) are expected to pass PC sales eventually and the openness and flexibility of desktop systems could end up dying at the hands of Apple and Google if they get their way. Keep your fingers crossed that jailbreaking will remain viable well into the future and isn’t killed for good by stronger security to prevent it.

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