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  2. International Mobile Equipment Identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    The last number of the IMEI is a check digit, calculated using the Luhn algorithm, as defined in the IMEI Allocation and Approval Guidelines: The Check Digit shall be calculated according to Luhn formula (ISO/IEC 7812). (See GSM 02.16 / 3GPP 22.016). The Check Digit is a function of all other digits in the IMEI.

  3. Mobile equipment identifier - Wikipedia

    en.wikipedia.org/wiki/Mobile_equipment_identifier

    It consists of three fields, including an 8-bit regional code (RR), a 24-bit manufacturer code, and a 24-bit manufacturer-assigned serial number. The check digit (CD) is not considered part of the MEID. The MEID was created to replace electronic serial numbers (ESNs), whose virgin form was exhausted in November 2008. [1]

  4. International mobile subscriber identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    An IMSI is usually presented as a 15-digit number but can be shorter. For example, MTN South Africa 's old IMSIs that are still in use in the market are 14 digits long. The first 3 digits represent the mobile country code (MCC), which is followed by the mobile network code (MNC), either 2-digit (European standard) or 3-digit (North American ...

  5. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/finance/free-reverse-phone-lookup-8...

    There’s an easy way to find out: conduct a reverse phone lookup — for free. But is there a truly free reverse phone lookup? Yes — there are plenty of sites that offer free reverse phone lookups.

  6. Quickly find your lost cellphone - AOL

    www.aol.com/article/2015/12/29/quickly-find-your...

    You input the number of the phone you're trying to find. ... RingMyCellphone is free up to three times per day. Its wake-up function is also free, from anywhere in the world. You can use it free ...

  7. Electronic serial number - Wikipedia

    en.wikipedia.org/wiki/Electronic_serial_number

    ESNs are currently mainly used with CDMA phones (and were previously used by AMPS and TDMA phones), compared to International Mobile Equipment Identity (IMEI) numbers used by all GSM phones. [ 1 ] The first eight bits of the ESN were originally the manufacturer code, leaving 24 bits for the manufacturer to assign up to 16,777,215 codes to mobiles.

  8. Identify any mystery caller for free with this phone number ...

    www.aol.com/news/identify-mystery-caller-free...

    The TruePeopleSearch.com website works for landline and cellphone numbers, allowing you to do a reverse phone lookup for any type of phone number. Identify any mystery caller for free with this ...

  9. Phone cloning - Wikipedia

    en.wikipedia.org/wiki/Phone_cloning

    A selection of mobile phones that can be cloned. Code-Division Multiple Access (CDMA) mobile telephone cloning involves gaining access to the device's embedded file system /nvm/num directory via specialized software or placing a modified EEPROM into the target mobile telephone, allowing the Electronic Serial Number (ESN) and/or Mobile Equipment Identifier (MEID) of the mobile phone to be changed.