1616-2 Imei Change Code: Nokia

The number is usually printed on the barcode label of the original box.

| Aspect | Description | |--------|-------------| | | 15 digits: TAC (Type Allocation Code, 6 digits) + Serial Number (6 digits) + Check Digit (1 digit). | | Purpose | • Enables mobile operators to track devices on their networks. • Allows the network to block stolen or non‑compliant phones. • Facilitates regulatory reporting (e.g., for customs and tax). | | Visibility | The IMEI can be displayed on the phone by dialing *#06# . It is also printed on the device’s label (often under the battery) and stored in the phone’s firmware. | | Persistence | The number is stored in non‑volatile memory; it survives power cycles and, in most designs, even a full firmware reset. | Nokia 1616-2 Imei Change Code