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  2. Remote SIM provisioning - Wikipedia

    en.wikipedia.org/wiki/Remote_SIM_provisioning

    The language that is used to describe these specification is a little confusing since eSIM is not a physical format (or "form factor" - the phrase that is used to describe the various SIM sizes). The eSIM describes the functionality in the SIM, not the physical size of the SIM - and there are eSIMs in many formats (2FF, 3FF, 4FF, MFF).

  3. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    An eSIM is not removable. 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 ...

  4. SIM Application Toolkit - Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    USIM Application Toolkit (USAT) is the equivalent of STK for 3G networks. [4] USAT takes advantage of the multiapplication environment of 3G devices by not activating until a specific application has been selected, unlike STK which is activated at startup. [13]

  5. Never lose cell service again with this space-age satellite tech

    www.aol.com/news/never-lose-cell-again-space...

    Iphone's Satellite Messaging: A Crucial Lifeline During A Storm Read On The Fox News App Since its inception, AST SpaceMobile has made remarkable technological advancements .

  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. Fix sending and receiving issues with third-party email apps

    help.aol.com/articles/cant-send-or-receive-email...

    If your third-party email app is having issues connecting, sending, or receiving emails, you may need to reconfigure your account or update the app. Use these steps to identify and fix the source of the problem.

  8. Rich Communication Services - Wikipedia

    en.wikipedia.org/wiki/Rich_Communication_Services

    iPhone Note Airtel India: February 2016: Yes AT&T United States: November 2015: Yes iOS 18 [125] Branded as Advanced Messaging and Video Call. [128] [129] In June 2023, AT&T converted to Google Jibe for RCS services. [62] AT&T announced the RCS capable AT&T Messages Android apps would be discontinued in 2024, recommending use of Google Messages ...

  9. AOL Mail Help - AOL Help

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

    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. 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.