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| 2015 (October) || Technology || {{w|AT&T}} first introduces Wi-Fi calling, a feature that allows customers to place calls over {{w|Wi-Fi}} in instances where a cellular connection is poor.<ref>{{cite web |title=AT&T Expands Wi-Fi Calling to Cover International Calls to U.S. When Traveling |url=https://www.macrumors.com/2016/03/22/att-international-wi-fi-calling/|website=macrumors.com |accessdate=23 July 2019}}</ref> || {{w|United States}}, {{w|Puerto Rico}}, {{w|Virgin Islands}}
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| 2015 || Mobile pay payment || {{w|Samsung Pay}} launches in {{w|South Korea}} as a mobile payment and digital wallet service that lets users make payments using compatible phones and other {{w|Samsung}}-produced devices.<ref>{{cite web |title=Samsung Pay Now Available in Six Continents, Accelerating Global Expansion |url=https://news.samsung.com/global/samsung-pay-now-available-in-six-continents-accelerating-global-expansion |website=news.samsung.com |accessdate=29 July 2019}}</ref><ref name="The History of Mobile Pay"/> || {{w|South Korea}}
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| 2015 (September 11) || Mobile pay payment || {{w|Android Pay}} is released as a {{w|digital wallet}} platform and online payment system developed by Google to power in-app and tap-to-pay purchases on mobile devices.<ref>{{cite web |title=Google officially launches new NFC payment service Android Pay |url=https://www.extremetech.com/mobile/214039-google-officially-launches-new-nfc-payment-service-android-pay |website=extremetech.com |accessdate=29 July 2019}}</ref> || {{w|United States}}
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| 2016 (February) || || {{w|NTT DoCoMo}} and {{w|Ericsson}} succeed in World's first trial to achieve a cumulative 20Gbit/s with two simultaneously connected mobile devices in {{w|5G}} outdoor trial.<ref>{{cite news |url=https://www.nttdocomo.co.jp/english/info/media_center/pr/2016/0222_03.html|title=DOCOMO and Ericsson Succeed in World's first trial to achieve a cumulative 20Gbps with two simultaneously connected mobile devices in 5G Outdoor Trial|work={{w|NTT DoCoMo}}|date=February 22, 2016|accessdate=July 14, 2017}}</ref> ||
