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  2. SIM Registration Act | Wikipedia

    en.wikipedia.org/wiki/SIM_Registration_Act

    The SIM Registration Act, officially designated as Republic Act No. 11934 and commonly referred to as the SIM card law, is a Philippine law mandating the registration of SIM cards before activation. Under the measure, mobile device users must register their SIM cards, whether prepaid or postpaid. The law was enacted intending to curb ...

  3. Smart Communications | Wikipedia

    en.wikipedia.org/wiki/Smart_Communications

    As of November 2023, Smart reported that it has 55.2 million subscribers following the implementation of SIM (subscriber identity module) card registration, which is slightly more than 54.7 million of close competitor Globe Telecom Inc., regaining its place as the mobile network with the largest subscriber base. [3]

  4. SIM card | Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) T-Mobile nano-SIM card with NFC capabilities in the SIM tray of an iPhone 6s cell phone 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 ...

  5. ISO/IEC 7816 | Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_7816

    ISO/IEC 7816 is an international standard related to electronic identification cards with contacts, especially smart cards, and more recently, contactless mobile devices, managed jointly by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It is developed by ISO/IEC JTC 1 (Joint ...

  6. SIM Application Toolkit | Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    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 ...

  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. Personal unblocking key | Wikipedia

    en.wikipedia.org/wiki/Personal_unblocking_key

    A personal unblocking key (PUK), sometimes called personal unblocking code (PUC), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten. Most mobile phones offer the feature of PIN protection. After switching on the phone, if the PIN security function is active, the user is required to enter a 4-8 ...

  9. Universal integrated circuit card | Wikipedia

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

    A 25 × 15 mm Vodafone New Zealand SIM card. The universal integrated circuit card (UICC) is the physical smart card (integrated circuit card) used in mobile terminals in 2G (GSM), 3G (UMTS), 4G (LTE), and 5G networks. The UICC ensures the integrity and security of all kinds of personal data, and it typically holds a few hundred kilobytes.

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