iPhone 3G unlock dubbed ‘yellowsn0w’ released! The Dev-Team has finally released the unlock for the iPhone 3G and it’s compatible with firmware 2.2. In fact, having firmware 2.2 is required. The version of this unlock is listed as 0.9, so it’s still a beta version, but word is that it’s working like a charm for a whole lot of people. head to the Dev-Team’s blog to get full instructions on how to free your 3G iPhone.