International mobile equipment identity (IMEI) is an exclusive 15-17-digit code identifier for mobile devices. While each device has its own IMEI code, dual SIM phones often have two codes.

The IMEI codes are not linked to the SIM card so changing your phone number or using a different SIM card won’t change the IMEI code.

IMEI Format

IMEI takes the form of AA-BBBBBB-CCCCCC-D, which stands for:

Uses of IMEI