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  2. Comparison of mobile operating systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile...

    This is a comparison of mobile operating systems. Only the latest versions are shown in the table below, even though older versions may still be marketed. Only the latest versions are shown in the table below, even though older versions may still be marketed.

  3. Comparison of VoIP software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_VoIP_software

    This is a comparison of voice over IP (VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks. For residential markets, voice over IP phone service is often cheaper than traditional public switched telephone network (PSTN) service and can remove geographic restrictions to telephone numbers, e.g., have a PSTN phone number in a New York ...

  4. Mobile operating system - Wikipedia

    en.wikipedia.org/wiki/Mobile_operating_system

    Mobile operating system. A mobile operating system is an operating system used for smartphones, tablets, smartwatches, smartglasses, or other non-laptop personal mobile computing devices. While computers such as typical/mobile laptops are "mobile", the operating systems used on them are generally not considered mobile, as they were originally ...

  5. List of open-source mobile phones - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source_mobile...

    [5] [6] The modem is usually integrated with the system-on-a-chip and the memory. [4] This presents security concerns; baseband attacks can read and alter data on the phone remotely. The Librem 5 mobile segregates the modem from the system and memory, making it a separate module, a configuration rare in modern cellphones.

  6. Comparison of open-source mobile phones - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_open-source...

    entire phone can be disassembled. Headphone jack. Convergence (will run as a desktop if monitor and keyboard plugged in). Librem 5: 3: Cameras and the microphone, Wi-Fi and Bluetooth, and baseband processor. All three also shut off sensors (GPS, compass, accelerometer etc.). The Wi-Fi+Bluetooth card, and the Modem are on M.2 slots.

  7. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.

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