I updated to the iphone 4. I had two old phones, the 3G and 3GS, giving both of them to my son. With the 3G, I told him to completely erase all contact and settings which he did. No sim card in it. He was going to use it as a itouch. Now it will not run programs. It just waits to be activated. I know now it was dumb, should have done more research. Since this happened to the 3G, I just deleted everything manually on the 3GS and the sim card was in it. Now he can use it as a itouch but all my info is on the sim card. Can I take it out or erase it somehow? Thanks all.