The <A HREF="http://www.newsfactor.com/story.xhtml?story_id=60876">iPhone-Dev Team</A> quietly released PwnageTool 2.0 over the weekend, allowing iPhone and iPhone 3G owners to hack, or "jailbreak," their handhelds and load applications that aren't available through Apple's App Store.
The utility also lets first-generation iPhone owners unlock their device for use on unapproved cell carrier networks.