Electronic Serial Number Esn

The Electronic Serial Number (ESN) is a unique identifier assigned to mobile devices in the telecommunications industry. In the UK market, the ESN plays a crucial role in tracking and managing mobile devices on cellular networks. It serves as a distinct code that helps identify individual devices, prevent fraud, and ensure secure communication between devices and the network. The ESN is essential for activating, registering, and authenticating mobile devices on telecom networks, making it a fundamental component in the UK telecommunications landscape.