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  2. Motorola DynaTAC - Wikipedia

    en.wikipedia.org/wiki/Motorola_DynaTAC

    A DynaTAC 8000X; the first commercially available mobile phone from 1983. Electrical engineer Martin Cooper of Motorola made the first publicized handheld mobile phone call on a prototype DynaTAC model on April 3, 1973. This is a reenactment in 2007. The DynaTAC is a series of cellular telephones manufactured by Motorola from 1983 to 1994.

  3. Bootloader unlocking - Wikipedia

    en.wikipedia.org/wiki/Bootloader_unlocking

    Bootloader unlocking is the process of disabling the bootloader security that makes secure boot possible. It can make advanced customizations possible, such as installing a custom firmware. On smartphones this can be a custom Android distribution or another mobile operating system. Some bootloaders are not locked at all, others can be unlocked ...

  4. Communication during the September 11 attacks - Wikipedia

    en.wikipedia.org/wiki/Communication_during_the...

    Following the attacks, the issues with the cell network weren't resolved until 36 cellular COWs (cell towers on wheels) were deployed by September 14, 2001, in Lower Manhattan to support the U.S. Federal Emergency Management Agency (FEMA) and provide critical phone service to rescue and recovery workers.

  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. Martin Cooper (inventor) - Wikipedia

    en.wikipedia.org/wiki/Martin_Cooper_(inventor)

    Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. [ 2][ 3] On April 3, 1973, he placed the first public call from a handheld portable cell phone while working at Motorola, from a Manhattan sidewalk to ...

  7. Moto G (2020) - Wikipedia

    en.wikipedia.org/wiki/Moto_G_(2020)

    Smartphone. Form factor. Slate. Development status. Discontinued. Website. www .motorola .com /us /smartphones-moto-g-family. Moto G (2020) is a series of Android smartphones that are part of the Moto G family developed by Motorola Mobility, a subsidiary of Lenovo. [1]

  8. Moto E (2020) - Wikipedia

    en.wikipedia.org/wiki/Moto_E_(2020)

    Dual camera. Double the power. The Moto E (2020) is an Android smartphone part of the low-end Moto E family of Android smart phones developed by Motorola Mobility. It was presented on June 5, 2020 together with Moto G Fast.

  9. Motorola Mobility - Wikipedia

    en.wikipedia.org/wiki/Motorola_Mobility

    Motorola Mobility was formed on January 4, 2011, after a split of Motorola, Inc. into two separate companies, with Motorola Mobility assuming the company's consumer-oriented product lines (including its mobile phone business, as well as its cable modems and pay television set-top boxes), while Motorola Solutions assumed the company's enterprise ...