iPhone 3G S fails activation? Read on!
Call 1-800-331-0500 Have your iPhone 3G S box handy. Explain that your iPhone 3G S won’t activate and that you would like to read off your IMEI and SIM Card # and ICCID # from the back of the box. Power off, Power on. Zing! You are done! How easy is that? Found info via Apple Forums here.