An IMEI number is primarily used by mobile phones. However, other devices that have a built-in cellular modem, including ...

you can use this IMEI number on a lookup website, as mentioned previously. If you have access to a SIM card from a different carrier than the one you are currently using, you can insert it into ...

Your carrier can deny listing a device based ... For example, iPhones are known to include IMEI numbers inside the SIM card tray, but this tradition seems to have ended with the iPhone 13.

Your carrier also needs to support the ability to convert a SIM to an eSIM ... including your IMEI number, and then you will receive a notification. Tap on it and follow the on-screen instructions.

It is usually printed on the device under the battery. IMEI can be used to "ban" a stolen phone, making it hard to use by the thief with a new SIM card.