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2. SIM card - Wikipedia

   en.wikipedia.org/wiki/SIM_card

   A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) 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).

3. TruConnect - Wikipedia

   en.wikipedia.org/wiki/TruConnect

   Lifeline is a state and federal government program that provides free or low-cost wireless service and free government phones to low-income consumers. The program is available to consumers who can provide documentation for eligibility for government phones based on either income level or participation in public assistance programs including ...

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

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

   Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.

5. Universal integrated circuit card - Wikipedia

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

   In 2G networks, the SIM card and SIM application were bound together, so that "SIM card" could mean the physical card, or any physical card with the SIM application. In a GSM network, the UICC contains a SIM application and in a UMTS network, it contains a USIM application. A UICC may contain several applications, making it possible for the ...

6. Life Without a Wallet: Getting By Without Cash, Credit Cards

   www.aol.com/news/2015-07-29-paying-without-cash...

   Charles Sykes/Invision for MasterCard via AP Life without a wallet is starting to be a very real possibility in the U.S., and the ability to make mobile payments on your phone and even smartwatch ...

7. 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.

8. Circles.Life - Wikipedia

   en.wikipedia.org/wiki/Circles.Life

   This enables Circles.Life to provide voice, messaging, and data services to customers: becoming the first digital telco in Singapore to offer full service mobile network services. To do away with physical retail stores, Circles.Life delivers its SIM cards and mobile phones to customers through third party services, such as SingPost in Singapore ...

9. Removable User Identity Module - Wikipedia

   en.wikipedia.org/wiki/Removable_User_Identity_Module

   Removable User Identity Module (R-UIM, usually pronounced as "R-yuim") is a card developed for cdmaOne/CDMA2000 ("CDMA") handsets that extends the GSM SIM card to CDMA phones and networks. To work in CDMA networks, the R-UIM contains an early version of the CSIM application. The card also contains SIM (GSM) application, so it can work on both ...