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  2. Nokia Lumia 1520 - Wikipedia

    en.wikipedia.org/wiki/Nokia_Lumia_1520

    The Nokia Lumia 1520 was a flagship Windows Phone phablet smartphone designed and produced by Finnish telecommunications manufacturer Nokia in partnership with American software manufacturer Microsoft. The device was first announced at the Nokia World event on 22 October 2013 in Abu Dhabi, alongside its mid-range phablet stablemate the Nokia Lumia 1320 and Nokia's 10.1 inch Windows RT tablet ...

  3. Samsung Galaxy S8 - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy_S8

    Samsung Galaxy S8. The Samsung Galaxy S8 and Samsung Galaxy S8+ are Android smartphones produced by Samsung Electronics as the eighth generation of the Samsung Galaxy S series. The S8 and S8+ were unveiled on 29 March 2017 and directly succeeded the Samsung Galaxy S7 and S7 Edge, with a North American release on 21 April 2017 and international ...

  4. Java Card - Wikipedia

    en.wikipedia.org/wiki/Java_Card

    Java Card gives the user the ability to program the devices and make them application specific. It is widely used in different markets: wireless telecommunications within SIM cards and embedded SIM, payment within banking cards [2] and NFC mobile payment and for identity cards, healthcare cards, and passports.

  5. iPhone - Wikipedia

    en.wikipedia.org/wiki/IPhone

    SIM unlocking. Many iPhones bought through a monthly carrier contract are SIM locked, restricting their use to one particular carrier. While the iPhone was initially sold in the U.S. only on the AT&T network with a SIM lock in place, various hackers found methods to bypass that SIM lock.

  6. 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 an example. A more general name for this class of ...

  7. W-SIM - Wikipedia

    en.wikipedia.org/wiki/W-SIM

    W-SIM (Willcom-SIM) is a SIM card developed by Willcom which, in addition to standard SIM functions, also has the core components of a cellular telephone ( PHS ), such as the radio receiver / transmitter, built inside. [1] It is currently used in some terminals (listed below), which do not have radio modules.

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