International Mobile Equipment Identity


International Mobile Equipment Identity (IMEI) is a unique 15-digit number assigned to mobile devices, primarily used for identification and security purposes. It helps authorities and service providers track lost or stolen devices, blocking them from accessing mobile networks. Additionally, the IMEI number allows device manufacturers to manage information specific to each device’s hardware.


The phonetics of the keyword “International Mobile Equipment Identity” are:International: /ˌɪntərˈnæʃənəl/Mobile: /ˈmoʊbəl, ˈmoʊbaɪl/Equipment: /ɪˈkwɪpmənt/Identity: /aɪˈdɛntɪti/

Key Takeaways

  1. International Mobile Equipment Identity (IMEI) is a unique 15-digit number assigned to every mobile device, serving as its identifier and helping in tracking and preventing theft.
  2. IMEI numbers can be found on the device’s original packaging, in the phone’s settings, or by dialing *#06# on the phone’s keypad.
  3. Blocking or blacklisting an IMEI can render a stolen or lost device unusable by restricting network access, thus discouraging theft and ensuring the protection of user data.


International Mobile Equipment Identity (IMEI) is an important aspect of mobile technology, as it is a unique identifier assigned to every mobile device.

It plays a crucial role in maintaining the security of mobile networks and fostering better control and management of these networks.

IMEI numbers allow mobile service providers and manufacturers to track and monitor mobile devices throughout their life cycle more effectively, making it possible for them to identify and block lost, stolen, or counterfeit devices from accessing mobile networks.

Moreover, IMEI numbers provide valuable information like device specifications, production details, and model number, enabling easier device tracing, assistance, and support for users.

In summary, IMEI promotes network security, protection against unlawful activities, and improved control and service in the mobile technology domain.


The International Mobile Equipment Identity, or IMEI, serves a crucial purpose in the world of mobile communication by acting as a unique identifier for each individual mobile device. This fingerprint of sorts allows service providers and manufacturers to efficiently manage, track, and maintain the vast range of mobile devices in use.

From a security standpoint, the IMEI number is a highly effective tool, enabling the tracking and blocking of mobile devices that may be lost or stolen. Consequently, this provides an essential line of defense against potential information misuse and resale of stolen devices on the black market.

Moreover, the IMEI number plays a vital role in the regulation and customization of mobile networks, allowing providers to optimize their service offerings based on the exact model and capabilities of a user’s device. Consequently, this ensures seamless communication and compatibility with local network provisions for roaming users regardless of location.

Additionally, with the help of IMEI, authorities and regulators can maintain a comprehensive repository of legal devices up to international standards, thereby combatting the circulation of counterfeit or substandard phones. In summary, the IMEI serves as an invaluable identifier, ensuring robust security, streamlined network management, and effective regulation in today’s interconnected mobile ecosystem.

Examples of International Mobile Equipment Identity

The International Mobile Equipment Identity (IMEI) is a 15-digit unique identification number assigned to mobile devices, such as smartphones and tablets. The purpose of IMEI is to provide a way to identify a specific device and help control access to mobile networks, as well as provide a means to trace and block stolen or lost devices. Here are three real-world examples related to the use of IMEI technology:

Stolen or Lost Devices:In situations where a device is lost or stolen, the owner can provide the IMEI number to their mobile service provider. The provider can then blacklist the device, preventing it from being used on any network. This serves as a deterrent to theft, as a blacklisted device becomes less valuable. Law enforcement can also use the IMEI to track the device’s location or identify the person using it if it is recovered.

Device Authentication:When a mobile device connects to a network, the IMEI number is checked against a database to ensure the device is not blacklisted or reported as stolen. If there are no issues, the device is allowed to connect to the network. This helps maintain network security and ensures only registered devices are granted access to mobile services.

Warranty and Support Services:IMEI numbers serve as a unique identifier that manufacturers and service centers can use to access information about a mobile device, such as the model, production date, and warranty details. This information helps with product support and servicing, allowing service centers to provide accurate and efficient assistance in the event of device malfunction or repair.

International Mobile Equipment Identity (IMEI) FAQ

What is an International Mobile Equipment Identity (IMEI) number?

An International Mobile Equipment Identity (IMEI) number is a unique 15-digit alphanumeric code assigned to mobile devices, such as smartphones and tablets. It’s used to identify a specific device on telecommunications networks and can be used to track or block a device if it’s lost or stolen.

How do I find my IMEI number?

You can find your IMEI number by checking the device settings, dialing *#06# on your dial pad, or looking for a sticker behind the battery or on the original packaging of your device.

Why do I need my IMEI number?

Knowing your IMEI number is important for several reasons, including reporting your device as lost or stolen, enabling or disabling service on your device, and verifying the authenticity of your device when selling or purchasing a used device.

Can a mobile device work without an IMEI number?

A mobile device can work without an IMEI number, but its functionality will be limited on mobile networks, as most service providers require a valid IMEI number to allow a device to connect to their network. Without an IMEI number, a device may not be able to make calls, send texts, or use data services.

Is it possible to change an IMEI number?

Changing an IMEI number is illegal in many countries and is discouraged by device manufacturers and network operators. Tampering with an IMEI number can lead to legal repercussions, added difficulty selling or purchasing a used device, and potential network connectivity issues.

Related Technology Terms

  • IMEI Number
  • Mobile Device Tracking
  • Device Blacklisting
  • GSM Association
  • Electronic Serial Number (ESN)

Sources for More Information


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