What is IMEI Number?

The VIN of the mobile world

Invalid IMEI.

What is IMEI?

The IMEI (International Mobile Equipment Identity) is a unique number to identify GSM, WCDMA, and iDEN mobile phones, as well as some satellite phones. Mostly phone have one IMEI number, but in dual SIM phones are two.

IMEI on the box

The IMEI is only used for identifying the device and has no permanent or semi-permanent relation to the subscriber. The number is used by the GSM network to identify valid devices and therefore can be used for stopping a stolen phone from accessing the network in that country.

IMEI Number Android ScreenIMEI Number Apple iPhone Screen

Learn more about IMEI in iPhone & iPad

  • Go to phone settings
  • Then select the "General"
  • In the "About" field you will find your iPhone IMEI

    iPhone IMEI Checking Form Menu Screens
  • In some iPhone you can check the IMEI number on SIM card tray. In the case of CDMA network there is also a MEID number.

    IMEI number on iPhone tray
  • In some iPhone models IMEI number is engraved on the back cover. If you need to check MEID number it will be the same number as IMEI without the last digit.

    IMEI number on the iPhone cover

Check MEID number in iPad

  • Go to iPad Settings
  • Then select the "General"

    Check MEID number in iPad
  • In the "About" field you will find your 14-digit iPad MEID number

IMEI in Motorola Iden Phones

On the dialing screen, press [#][*][menu][right arrow] and confirm.

  • If your phone has a SIM card, scroll down to "IMEI / SIM ID" section and press Enter. Here you see 14-digit phone's IMEI. To get the full 15-digit number you must add at the end of the digit 0.
  • If your phone does not have a SIM card should continue pressing the [arrow right] key until you see "IMEI [0]" The screen will display the first 7 digits to see another 7 scrolls down. To get the full 15-digit number you must added at the end of the digit 0.

How to check warranty & unlock your iPhone.

How to check & verify iPhone warranty.

The Structure of an IMEI Number

IMEI numbers either come in a 17 digit or 15 digit sequences of numbers. The IMEI format currently utilized is AA-BBBBBB-CCCCCC-D:

  • AA: These two digits are for the Reporting Body Identifier, indicating the GSMA approved group that allocated the TAC (Type Allocation Code).
  • BBBBBB: The remainder of the TAC (FAC)
  • CCCCCC: Serial sequence of the Model (SNR)
  • D: Luhn check digit of the entire model or 0 (This is an algorithm that validates the ID number) (CD)

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