IMEI stands for International Mobile Equipment Identity and is a unique identifier for a mobile device. IMEI is a type of ESN (Electronic Serial Number).

IMEI numbers are typically 15 digits in length.

Here are some example (and invalid) IMEI numbers:

  • 990000862471854
  • 351756051523999

ESNs can have several formats, including the IMEI and the MEID.

You can check the ESN of your device using Swappa's free ESN check service!

For more information on the IMEI, please visit this Wikipedia page.

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