1.Prepare iPhone 3G Unlock Sim.
2.Place the iphone 3G Unlock Sim (back side) into the sim socket.
3.Judge from the side, the height of Turbosim IC is below the sim socket. (You don’t need cutting your sim card, or worry about the plug problem any more)
4.Judge from the Professional measuring tools, you could see the thickness of Turbosim is only 0.82mm
5.Put your own sim card together with iPhone 3G unlock Sim
6.Insert both sim card and Turbosim into iPhone 3G
7.Power on iPhone 3G, it have searched another network automatically in 10 seconds.
8.Dialing as normal, and you can connect others at once.
9.With powerful signal in communications.