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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. Central Equipment Identity Register - Wikipedia

    en.wikipedia.org/wiki/Central_Equipment_Identity...

    A Central Equipment Identity Register (CEIR) is a database of mobile equipment identifiers (IMEI – for networks of GSM standard, MEID – for networks of CDMA standard). Such an identifier is assigned to each SIM slot of the mobile device.

  4. 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]

  5. Type Allocation Code - Wikipedia

    en.wikipedia.org/wiki/Type_Allocation_Code

    The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices.. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM, UMTS, LTE, 5G NR, iDEN, Iridium or other IMEI-employing wireless network.

  6. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    The check digit is computed as follows: Drop the check digit from the number (if it's already present). This leaves the payload. Start with the payload digits. Moving from right to left, double every second digit, starting from the last digit. If doubling a digit results in a value > 9, subtract 9 from it (or sum its digits).

  7. How about that?! Danielle Collins has a back-and-forth with a ...

    www.aol.com/danielle-collins-back-forth-booing...

    Danielle Collins of the U.S. reacts after defeating Destanee Aiava of Australia in their second round match at the Australian Open tennis championship in Melbourne, Australia, Thursday, Jan. 16, 2025.

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    Check out our full Khelfer Electric Spin Scrubber review for more. Save $50 with Prime and coupon. $20 at Amazon. If you have Amazon Prime, you’ll get free shipping, of course. Not yet a member?

  9. Goolsbee says Fed 'may be on hold' for now but sees rates ...

    www.aol.com/finance/goolsbee-says-fed-may-hold...

    Chicago Federal Reserve president Austan Goolsbee told Yahoo Finance Friday that the central bank 'may be on hold' for now, but he still sees interest rates moving lower over the 'next 12-18 months.'

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