iPhone 3G 2.2.1 unlocking now possible. Kinda.
by Steve on May.27, 2009, under Mobiles, Technology
And its easy too, but there’s a catch. It needs to have bootloader version 5.08, which mine conveniently does. If you have 5.09 or newer, you’re still screwed for now.
Full and idiot-proof instructions on iClarified. Essentially all it does is downgrade the baseband firmware of your iPhone to a version that the existing soft unlock tools work with. It worked perfectly on my O2 iPhone.
