The International Mobile Equipment Identity (IMEI) is a unique 15-digit code that identifies a specific mobile device. It is essentially a serial number for phones, used to track devices on a network and prevent them from being used if reported lost or stolen. For example, a mobile carrier can block a device’s access to its network using its IMEI, rendering the phone unusable for making calls or using data on that specific network.
The IMEI plays a crucial role in mobile device security and management. It allows network providers to identify and blacklist stolen devices, reducing mobile phone theft. Understanding the IMEI also offers historical context regarding the evolution of mobile communication and security measures implemented to protect users and networks from fraudulent activities.