Hi everybody good day! I'm newbie here and new using iPhone, i had an iPhone brought 3 weeks ago, since it was new there is nothing problem. But since i updated in 3.0 using iTunes my simcard doesn't recognize anymore and i was stock on emergency call. I restore to 3.0 ipsw beta using iTunes 8.2 luckily it was successful but i don't get any signal and sometimes it says no service. Attempt solution: 1. Reset Network 2. Hard Reset 3. Take out SIM and reset Network, Nothing happens iPhone 16Gb, Model: A1241, Sim: Etisalat UAE... What do you think guys happening to my phone. Help is highly appreciated. Thank You.