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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. Type Allocation Code - Wikipedia

    en.wikipedia.org/wiki/Type_Allocation_Code

    The Type Allocation Code (TAC) is the initial eight-digit portion of the 15-digit IMEI and 16-digit IMEISV codes used to uniquely identify wireless devices.. The Type Allocation Code identifies a particular model (and often revision) of wireless telephone for use on a GSM, UMTS, LTE, 5G NR, iDEN, Iridium or other IMEI-employing wireless network.

  4. Google Fi Wireless - Wikipedia

    en.wikipedia.org/wiki/Google_Fi_Wireless

    In addition to using a phone's physical SIM card, Google Fi offers a Bring Your Own Device (BYOD) option whereby the customer uses their compatible phone (Google Pixel, Android or iPhone) using an eSIM (embedded SIM) virtual card to establish Google Fi as a standalone service or in conjunction with another provider. When a phone uses the ...

  5. AOL Mail Help - AOL Help

    help.aol.com/products/new-aol-mail

    That's why AOL Mail Help is here with articles, FAQs, tutorials, our AOL virtual chat assistant and live agent support options to get your questions answered. You've Got Mail!® Millions of people around the world use AOL Mail, and there are times you'll have questions about using it or want to learn more about its features.

  6. SIM lock - Wikipedia

    en.wikipedia.org/wiki/SIM_lock

    A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA [1] mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks.

  7. Rich Communication Services - Wikipedia

    en.wikipedia.org/wiki/Rich_Communication_Services

    5.1 was completely backwards compatible with the RCS-e V1.2 and RCS 5.0 specifications. It introduced additional new features such as Group Chat Store & Forward, File Transfer in Group Chat, File Transfer Store & Forward, and Best Effort Voice Call, as well as lessons-learnt and bug fixes from the V1.2 interoperability testing efforts.

  8. Pixel 4 - Wikipedia

    en.wikipedia.org/wiki/Pixel_4

    Ars Technica gave the device a mixed pre-release review, noting that the etched finish of the orange and white models felt stronger than that of the Pixel 3 without compromising its "soft" and "grippy" feel, but that the screen bezels looked "lopsided". The Motion Sense system was panned for its reliance on hand waving gestures that were "so ...

  9. 5G - Wikipedia

    en.wikipedia.org/wiki/5G

    An Android phone, showing that it is connected to a 5G network An Apple iPhone showing that it is connected to a 5G Network. In telecommunications, 5G is the fifth generation of cellular network technology, which mobile operators began deploying worldwide in 2019 as the successor to 4G. 5G is based on standards defined by the International Telecommunication Union under the IMT-2020 ...