If you have an iPhone 3G, iPhone 3GS, iPhone 4, or iPhone 4S, the serial number is on the SIM tray. See our article ... you can find it by going to your Apple ID page in a web browser.
If you have an iPhone 3G, iPhone 3GS, iPhone 4, or iPhone 4S, the serial number is on the SIM tray. See our article ... you can find it by going to your Apple ID page in a web browser.