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Here’s What Your Phone’s IMEI Number Means
May 4, 2025
Summary
An IMEI number is a unique identifier associated with phones, tablets, and other devices with a cellular modem.
It’s used by cell carriers to authenticate devices on their network.
IMEI numbers also aid in tracking lost or stolen phones, device compatibility checks, and unlock requests.
As the world moved from feature phones to smartphones over the last few decades, a tiny detail called an IMEI number has remained a constant. But why is it significant, and what does its existence mean for you? Let’s find out.
What Is an IMEI Number?
The IMEI or International Mobile Equipment Identity number is a unique identifier assigned to cellular or mobile devices worldwide. It plays a vital role in a mobile device’s functionality and security. The GSMA (Global System for Mobile Communications Association) is a global body responsible for managing and overseeing the IMEI system.
An IMEI number is primarily used by mobile phones. However, other devices that have a built-in cellular modem, including tablets, mobile hotspots, smartwatches, IoT, and smart home products, also have an IMEI number.
Related
Want to check an Apple Watch’s serial number or IMEI code before purchasing a used model? Here’s how to find them.
The manufacturer assigns it during a device’s production. However, the manufacturer isn’t solely responsible for it, as part of it is generated by reporting bodies present in different regions, which the GSMA has appointed.
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