Dev Team releases ultrasn0w to unlock your iPhone 3G, but not 3Gs

In the first rev days of the iPhone, jailbreaking was de rigeur: a way to wrest control of your phone from Apple, use it with another carrier and run custom applications and themes. But when the iPhone OS 2.0 was released and the App Store launched, a perception became prevalent among most that jailbreaking had ceased to be useful, a past-time of eggheads and geeks.

Not so, of course. Jailbreaking can still substantially expand the functionality of your iPhone, from new keyboard layouts to the addition of application multi-tasking. But the juiciest reason to jailbreak your phone these days is to break it from the shackles of your AT&T contract. And now the Dev Team have managed to do just that for the updated iPhone OS 3.0. Gentlemen, meet ultrasn0w for the iPhone 3G.

Read more: geek.com