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| 2017 || 77 operators in 49 countries complete {{w|5G}} trials. The non-standalone (NSA) mode of {{w|5G NR}} specifications are approved by {{w|3GPP}}.<ref name="ddss"/>
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| 2018 || "{{w|South Korea: Preview (}} rolls out a {{w|5G}} trial at the {{w|2018 Winter Olympics)}}.<ref name="The Top Countries Most Likely to Launch 5G First" >{{cite web |title=The Top Countries Most Likely to Launch 5G First |url=https://www.sdxcentral.com/5g/definitions/5g-network-countries/ |website=sdxcentral.com |accessdate=27 January 2020}}</ref> {{w|3GPP}} approves standard frozen.<ref name="ddss"/>
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| 2019 || Commercial {{w|5G}} networks begin deployment in a number of countries, including {{w|South Korea}}, {{w|China}}, and the {{w|United Arab Emirates}}.<ref name="ddss"/>
