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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. UDID - Wikipedia

    en.wikipedia.org/wiki/UDID

    UDID is an acronym for Unique Device Identifier. The UDID is a feature of Apple's devices running iOS, tvOS, watchOS, and macOS.It is a unique identifier that is calculated from different hardware values, such as the ECID.

  4. iPhone 5 - Wikipedia

    en.wikipedia.org/wiki/IPhone_5

    The iPhone 5 is a smartphone that was developed and marketed by Apple Inc. ... Tap "Settings > General > About" to check serial number A1428, other serial numbers

  5. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A SIM contains a unique serial number, integrated circuit card identification (ICCID), international mobile subscriber identity (IMSI) number, security authentication and ciphering information, temporary information related to the local network, a list of the services the user has access to, and four passwords: a personal identification number ...

  6. List of Apple products - Wikipedia

    en.wikipedia.org/wiki/List_of_Apple_products

    iPhone 4 (8 GB) iPhone: September 10, 2013 iPhone 4S (16 GB) iPhone: September 10, 2013 iPhone 4S (32 & 64 GB) iPhone: September 12, 2012 October 24, 2011 MacBook Pro (Late 2011) MacBook Pro: June 11, 2012

  7. How To Make Sure Your Info Stays Secure After the New iPhone ...

    www.aol.com/lifestyle/sure-stays-secure-iphone...

    Also, as TikTok user @thatchriscarley—a tip-giving account with over 2.7 million likes—posted on Nov. 26, when two iPhones with the iOS 17 update are in close proximity to each other, the ...

  8. Electronic serial number - Wikipedia

    en.wikipedia.org/wiki/Electronic_serial_number

    As ESNs have essentially run out, a new serial number format, MEID, was created by 3GPP2 and was first implemented by Verizon in 2006. MEIDs are 56 bits long, the same length as the IMEI and, in fact, MEID was created to be a superset of IMEI.

  9. iPhone SE (1st generation) - Wikipedia

    en.wikipedia.org/wiki/IPhone_SE_(1st_generation)

    The previous major redesign of the iPhone, the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus, resulted in larger screen sizes. However, a significant number of customers still preferred the smaller 4-inch screen size of iPhone 5, 5c, and 5s. Leaks about a smaller, iPhone 5s-like phone with newer components started circulating in 2015.