Your cell phone carrier uses your iPhone IMEI and SIM card to link your phone to their network. To continue getting to know your iPhone, be sure to sign up for our free Tip of the Day newsletter. IMEI stands for International Mobile Equipment Identity. Your iPhone's serial number is a unique string of digits that identifies your device, from the location of the factory where your phone was produced, down to the color.
How to Find the Serial Number If Your Phone Won't Turn On.
How to Find IMEI & Serial Number Using a Mac.
