Most smartphone owners never think about their IMEI number until something goes wrong. Maybe they are buying a used phone, contacting their carrier, or trying to verify a device before making a purchase. In reality, your IMEI is one of the most useful pieces of information your smartphone has. It can tell you much more than just the model name. What is an IMEI? IMEI stands for International Mobile Equipment Identity. Every mobile phone has its own unique IMEI number, which acts like a digital fingerprint for the device. Unlike the phone number or SIM card, the IMEI belongs to the hardware ...