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  2. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    An eSIM (embedded SIM) is a form of SIM card that is embedded directly into a device as software installed onto a eUICC chip. First released in March 2016, eSIM is a global specification by the GSMA that enables remote SIM provisioning ; end-users can change mobile network operators without the need to physically swap a SIM from the device.

  3. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    sim card of the new mobile company that will cost around 15 PEN. United States: 2003.11.24 0 Free iconectiv manages the Number Portability Administration Center (NPAC), the largest number portability system in the world. Consisting of seven regional systems, the NPAC facilitates number porting across all Service Providers in the United States.

  4. Telecommunications in Nigeria - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_Nigeria

    In 2015 the NTC fined MTN Nigeria a record $5.2 billion for issuing 5.2 million unregistered and pre-registered subscriber Identification Module Cards (SIMs). In 2017 the NTC sett up a 12-member task force in response to renewed proliferation of Unregistered and pre-registered SIM cards. The unregistered cards are considered a threat to ...

  5. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  6. List of NFC-enabled mobile devices - Wikipedia

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

    all versions, including dual SIM variant Xperia C4: Android June 2015 all versions, including dual SIM variant Xperia C5 Ultra: Android August 2015 all versions, including dual SIM variant Xperia E3: Android September 2014 all versions, including dual SIM variant Xperia E4g: Android April 2015 E2003 Xperia E5: Android June 2016 all versions ...

  7. GSM - Wikipedia

    en.wikipedia.org/wiki/GSM

    A nano sim used in mobile phones. One of the key features of GSM is the Subscriber Identity Module, commonly known as a SIM card. The SIM is a detachable smart card [2] containing a user's subscription information and phone book. This allows users to retain their information after switching handsets.

  8. Bump (application) - Wikipedia

    en.wikipedia.org/wiki/Bump_(application)

    Bump was an iOS and Android mobile app that enabled smartphone users to transfer contact information, photos and files between devices. In 2011, it was #8 on Apple's list of all-time most popular free iPhone apps, [1] and by February 2013 it had been downloaded 125 million times. [2]

  9. Airtel Africa - Wikipedia

    en.wikipedia.org/wiki/Airtel_Africa

    Airtel Nigeria is the most profitable unit of Airtel Africa, due to its cheap data plans in Nigeria. As of March 2019, Airtel had over 99 million subscribers in the continent. [ 4 ] It is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index .