I just restored my Iphone 3G. I don't have a sim card so it wont let me activate the phone. I figure I can just jailbreak or unlock it. I dont use it as a phone so I dont have a sim card. I just want to use it as an Ipod and to run apps. I tried to run redsnow but it wont reconize the 4.0 .ipsw file that I downloaded. Does anyone have and advice or step by step instructions for jailbreaking or unlocking a 3G with no sim card? Thanks for the help.