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  2. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    Free (1 to €1.6 if the subscriber wants to transfer their prepaid credit to the new carrier) The maximum time for the procedure is 24 working hours. In case of delay up to 3 working days no refund is given, if the delay is longer than 3 days user receive a refund of €2.5 for each day of delay, start counting from day 1.

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

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

    Apple eSIM supported Worldwide Service Provider [613] Truphone: T-Mobile: GSM & UMTS: Apple eSIM supported Worldwide Service Provider [613] Ubigi: Various: Various: Apple/Android/Windows and Connected Car eSIM Supported. Pronounced You-bee-gee. Subsidiary of Transatel. Operates on MNC 901-37. /> Saily Various 4G/5G

  4. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    The mini-SIM (or 2FF) card has the same contact arrangement as the full-size SIM card and is normally supplied within a full-size card carrier, attached by a number of linking pieces. This arrangement (defined in ISO/IEC 7810 as ID-1/000 ) lets such a card be used in a device that requires a full-size card – or in a device that requires a ...

  5. 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.

  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]

  7. TracFone Wireless - Wikipedia

    en.wikipedia.org/wiki/TracFone_Wireless

    TracFone Wireless was established in 1996 as Topp Telecom Inc., a prepaid mobile phone company, in Miami, Florida. It was founded by David Topp and F.J. Pollak. Pollak acted as the CEO of Tracfone until his death in 2016. [2] In February 1999, Topp received a major infusion of capital from Telmex, Mexico's largest telephone company. Telmex paid ...

  8. Prepaid mobile phone - Wikipedia

    en.wikipedia.org/wiki/Prepaid_mobile_phone

    Typical sign showing where top-ups can be made. 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.

  9. Electronic reloading - Wikipedia

    en.wikipedia.org/wiki/Electronic_reloading

    Prepaid phone subscribers can top up their airtime balances via electronic reloading stations. These stations or retailers use a Retailer SIM card to top up prepaid credits on a subscriber's mobile phone. This SIM card functions similarly to commercially available prepaid SIM cards but with additional reloading/top-up functionality.