It's important to note that the IMEI number is what networks use to identify your phone, distinct from your SIM card. Alternatively, you can access it through a more standardized method by dialing *#06# on your phone, a feature typically integrated by most manufacturers, or by navigating to the device identifiers within the settings app/menu. You'll commonly find this IMEI number physically displayed on the device, whether it's inside the battery compartment, engraved on the phone's rear, or located on the SIM card tray. This IMEI number is generated and assigned to the mobile device during the manufacturing process, remaining constant throughout its lifespan.
The acronym 'IMEI' stands for 'International Mobile Equipment Identity,' and it's a distinctive 15-digit code that serves as a universal identifier for every cellular device.