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  2. How to Save on Your Smartphone Bill: Track Data Usage ... - AOL

    www.aol.com/news/2011-09-23-how-to-save-on-your...

    4. Measure and compress your data. Use an app like Onavo to monitor your data usage and compress the data from the apps that are running. 5. Watch streaming video on Wifi networks rather than ...

  3. Unstructured Supplementary Service Data - Wikipedia

    en.wikipedia.org/wiki/Unstructured_Supplementary...

    USSD is commonly used by prepaid GSM cellular phones to query the available balance. The vendor's "check balance" application hides the details of the USSD protocol from the user. On some pay as you go networks, such as Tesco Mobile, once a user performs an action that costs money, the user sees a USSD message with their new balance.

  4. NumberSync - Wikipedia

    en.wikipedia.org/wiki/NumberSync

    NumberSync is an AT&T service that allows some postpaid wireless customers to use one telephone number to send and receive calls and text messages across all of their supported devices, including smartwatches. [1] The service, which was created by myaNUMBER and licensed to AT&T compares to Apple Continuity, [2] is free of charge to AT&T ...

  5. Mobile network codes in ITU region 3xx (North America)

    en.wikipedia.org/wiki/Mobile_network_codes_in...

    This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean.

  6. List of 5G NR networks - Wikipedia

    en.wikipedia.org/wiki/List_of_5G_NR_networks

    400 MHz [1] [173] [174] [175]FWA † 10+10+15+15 MHz Entel: 100 MHz † (Dec 2021)400 MHz [1] [173] [176]Also FWA † 25+25+50 MHz Movistar: 50 MHz (Dec 2021)[1] [176 ...

  7. US Mobile - Wikipedia

    en.wikipedia.org/wiki/US_Mobile

    US Mobile is an American mobile virtual network operator (MVNO) that uses the T-Mobile, Verizon Wireless, and AT&T networks (branded as "Light Speed", "Warp", and "Dark Star" respectively) to provide talk, text, and data services to their customers. US Mobile has over 1,000,000 customers as of 2024.

  8. Wi-Fi calling - Wikipedia

    en.wikipedia.org/wiki/Wi-fi_calling

    Since the Autumn of 2016, Wifi Calling / Voice over Wifi has been available for customers of Telenor Denmark, including the ability to do handover to and from the 4G (VoLTE) network. This is available for several Samsung and Apple handsets. AT&T [29] and Verizon [30] are going to launch Wi-Fi calling in 2015.

  9. MSISDN - Wikipedia

    en.wikipedia.org/wiki/MSISDN

    MSISDN (/ ˈ ɛ m ɛ s aɪ ɛ s d iː ɛ n / MISS-den) is a number uniquely identifying a subscription in a Global System for Mobile communications or a Universal Mobile Telecommunications System mobile network.