I used pwnagetool to unlock my new iphone 3G 3.1 (7C144) software and everything went smoothly, installed cydia and icy... and so i added the repo to add Ultrasn0w and installed it, rebooted... but my T-Mobile SIM card says "Searching...." and "No Service" and I can't get it to work. Any ideas on how to fix this? I've tried everything, rebooted, re-installed, airplane off/on, Reset network.... but nothing! any idea on what I need to do?

