The first eight digits indicate the device's origin and its model while the last six digits identify the device's manufacturer. The 15-digit IMEI number indicates the origin and model of the device.The carrier can block the specific device from running on their network and notify other carriers.
All users need to call their network carrier and report that the device is stolen or lost. Users can block stolen or lost devices for further usage if they know their IMEI number.
There are several uses of the IMEI number: You can even go as far as saying that it is your device's calling card. An International Mobile station Equipment Identity (IMEI) number is a series of numbers used to identify a device that utilizes terrestrials cellular networks, i.e., your mobile data network provider-each device should have its unique IMEI number.