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  2. Prepaid mobile phone - Wikipedia

    en.wikipedia.org/wiki/Prepaid_mobile_phone

    Prepaid mobile phone. A prepaid mobile device, also known as a pay-as-you-go (PAYG), pay-as-you-talk, pay and go, go-phone, prepay, or burner phone, is a mobile device such as a phone for which credit is purchased in advance of service use. The purchased credit is used to pay for telecommunications services at the point the service is accessed ...

  3. 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 ...

  4. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Mobal is one of the world's longest running cell phone providers and was founded in 1989". [326] Naked Mobile: Cellular One of NE AZ, AT&T, T-Mobile [331] Personal, Lifeline: AZ, NM, UT Yes Yes. The SIM should work in a hotspot but they don't sell any themselves Yes No. Their highest plan only goes up to 60 GB of fast data Yes. Unlimited "2G ...

  5. History of prepaid mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_prepaid_mobile...

    The history of the prepaid mobile phones began in the 1990s when mobile phone operators sought to expand their market reach. Up until this point, mobile phone services were exclusively offered on a postpaid basis (contract-based), which excluded individuals with poor credit ratings and minors under the age of 18 (the typical age of contractual.)

  6. GSM services - Wikipedia

    en.wikipedia.org/wiki/GSM_services

    GSM services. GSM services are a standard collection of applications and features available over the Global System for Mobile Communications (GSM) to mobile phone subscribers all over the world. The GSM standards are defined by the 3GPP collaboration and implemented in hardware and software by equipment manufacturers and mobile phone operators.

  7. Cricket Wireless - Wikipedia

    en.wikipedia.org/wiki/Cricket_Wireless

    Leap Wireless (1999–2014) AT&T (2014–present) Website. www.cricketwireless.com. Cricket Wireless is an American prepaid wireless service provider, wholly-owned by AT&T. It provides wireless services to thirteen million subscribers in the United States as of 2022. [ 3 ] Cricket Wireless was founded in March 1999 by Leap Wireless International.

  8. H2O Wireless - Wikipedia

    en.wikipedia.org/wiki/H2O_Wireless

    www.h2owireless.com. h2o Wireless is a United States-based prepaid cell phone service, that utilizes the AT&T network. [2] It is a brand of mobile virtual network operator (MVNO) Locus Telecommunications, a subsidiary of Telrite Holdings, Inc., since 2019. [1][3] Locus was formerly a subsidiary of KDDI America corporation, starting in 2010. [3 ...

  9. 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.