Back when the iPhone Dev team were unable to provide an update to Ultrasn0w to provide a software-based unlock on certain iPhone 4 basebands, it was left to a Chinese development team to step into the limelight with the introduction of the Gevey SIM. For those that don't keep up to speed with the happenings in the world of unlocks, the Gevey SIM requires the user to actually place the SIM interposer between the network’s SIM card, and the rest is well, magic.
