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  2. Panasonic Lumix DMC-CM1 - Wikipedia

    en.wikipedia.org/wiki/Panasonic_Lumix_DMC-CM1

    Panasonic Lumix DMC-CM1 was, for years, the smartphone with the largest camera sensor. As of 2023, there are no smartphones with bigger sensors, but others have matched it. On its launch, it surpassed the Nokia 808 Pureview (2012) with 1/1.2" sensor, and also was the slimmest camera with 1" sensor. It is also the only smartphone that takes any ...

  3. Universal integrated circuit card - Wikipedia

    en.wikipedia.org/wiki/Universal_integrated...

    The universal integrated circuit card (UICC) is the physical smart card (integrated circuit card) used in mobile terminals in 2G , 3G , 4G , and 5G networks. The UICC ensures the integrity and security of all kinds of personal data, and it typically holds a few hundred kilobytes.

  4. SIM Application Toolkit - Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    SIM Application Toolkit (STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1] Similar standards exist for other network and card systems, with the USIM Application Toolkit (USAT) for USIMs used by newer-generation networks being ...

  5. Camera phone - Wikipedia

    en.wikipedia.org/wiki/Camera_phone

    A camera phone is a mobile phone that is able to capture photographs and often record video using one or more built-in digital cameras. It can also send the resulting image wirelessly and conveniently. The first commercial phone with a color camera was the Kyocera Visual Phone VP-210, released in Japan in May 1999. [1]

  6. Is it safe to give an app my credit card information? - AOL

    www.aol.com/finance/safe-app-credit-card...

    Popular credit card-based apps such as Uber, Lyft, Google Pay and DoorDash will ask for your credit card information for convenience of use. Considering there are standards that the PCI has ...

  7. List of NFC-enabled mobile devices - Wikipedia

    en.wikipedia.org/wiki/List_of_NFC-enabled_mobile...

    Windows Phone September 2012 Nokia Lumia 610 NFC version only Lumia 620: Windows Phone January 2013 all versions Lumia 720: Windows Phone April 2013 all versions Lumia 730: Windows Phone September 2014 all versions Lumia 735: Windows Phone September 2014 all versions Lumia 810: Windows Phone November 2012 all versions Lumia 820: Windows Phone ...

  8. Telephone card - Wikipedia

    en.wikipedia.org/wiki/Telephone_card

    A telephone card, calling card or phone card for short, is a credit card-size plastic or paper card used to pay for telephone services (often international or long-distance calling). It is not necessary to have the physical card except with a stored-value system; knowledge of the access telephone number to dial and the PIN is sufficient.

  9. Contactless payment - Wikipedia

    en.wikipedia.org/wiki/Contactless_payment

    EMV contactless symbol used on compatible payment terminals. EMV stands for "Europay, Mastercard, and Visa", the three companies that created the standard.Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for ...