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| 1956 || Service launch || The first ever partly automatic car phone system, Mobile System A (MTA), is introduced in Sweden. <ref name="Evolution of Mobile Phones from 1956 - 2007">{{cite web|title=Evolution of Mobile Phones from 1956 - 2007|url=http://www.techeblog.com/index.php/tech-gadget/evolution-of-mobile-phones-from-1956-2007|website=techeblog.com|accessdate=28 July 2017}}</ref><ref>{{cite web|title=Car phone|url=https://ar.pinterest.com/pin/561472278517029808/|website=pinterest.com|accessdate=28 July 2017}}</ref><ref name="cell phone Timeline"/> || {{w|Sweden}}
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| 1957–1961 || Product development || Soviet engineer {{w|Leonid Kupriyanovich}} develops a number of mobile phones that look surprisingly similar to modern mobile devices. One of these devices weighs just 70 grams and can fit into the palm of the hand.<ref name="History of Mobile Cell Phones | The First Cell Phone To Present Time"/> ||
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| 1959 || Network launch || The Post Office Radiophone Service is launched in {{w|Manchester}}. The system requires callers to connect through an operator. However, that operator could connect users to any subscriber across all of Great Britain.<ref name="History of Mobile Cell Phones | The First Cell Phone To Present Time"/> || {{w|United Kingdom}}
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| 1960 || Network launch || [[w:Ericson|Ericsson Company]] releases the first fully automated mobile telephone. Introduced in Sweden, the system, known in [[w:Swedish language|Swedish]] as [[w:MTD (mobile network)|Mobiltelefonisystem A]] (MTA), allows for automated connection from a rotary handset (that’s the circular dialing knob to me and you) mounted within a car, but requires an operator to forward calls.<ref name="Invention Story of Cell Phones"/><ref name="A Brief History Of Mobile Phones">{{cite web|title=A Brief History Of Mobile Phones|url=http://www.makeuseof.com/tag/history-mobile-phones/|website=makeuseof.com|accessdate=24 July 2017}}</ref><ref name="A Brief History Of Mobile Phones"/> || {{w|Sweden}}
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| 1962 || || {{w|AT&T}} develops a prototype for the first generation cellular mobile communications technology.<ref name="Evolution and Standardization of Mobile Communications Technology"/> || {{w|United States}}
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| 1962 || Network launch || Swedish [[w:MTD (mobile network)|Mobiltelefonisystem A]] (MTA) is replaced by [[w:MTD (mobile network)|Mobiltelefonisystem B]] (MTB), which uses {{w|transistor}}ized mobile sets. This system would last until 1983.<ref name="A Brief History Of Mobile Phones"/> || {{w|Sweden}}
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| 1963 || Network launch || [[w:Altai (mobile telephone system)|Altai]] mobile telephone system (системы "Алтай") is introduced as a pre-cellular {{w|0G}} radiotelephone service in the Soviet Union.<ref>{{cite web|title=Мобильная связь в СССР (7 фото)|url=http://www.vasi.net/community/kartinki/2009/05/15/mobilnaja_svjaz_v_sssr_7_foto.html|website=vasi.net|accessdate=30 July 2017}}</ref> || {{w|Soviet Union}}
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| 1964 || Pre-cellular [[w:Very High Frequency|VHF]]/[[w:Ultra High Frequency|UHF]] {{w|radio}} system launch || {{w|Improved Mobile Telephone Service}} (IMTS) is introduced by {{w|AT&T}} as a replacement to {{w|Mobile Telephone Service}} (MTS) and improved on most MTS systems by offering direct-dial rather than connections through a live operator.<ref name="Mobile telephone britannica">{{cite web|title=Mobile telephone|url=https://www.britannica.com/technology/mobile-telephone#ref1079050|website=britannica.com|accessdate=25 July 2017}}</ref> ||
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| 1965 || || AT&T introduces the first major improvement to mobile telephony, creating the Improved Mobile Telephone Service, which allows more simultaneous calls in a given geographic area, introducing customer dialing, and reducing the size and weight of the equipment.<ref name="A BIG CHANGE FOR HUMANITY">{{cite web |title=A BIG CHANGE FOR HUMANITY |url=https://phoneevolution.wordpress.com/ |website=phoneevolution.wordpress.com |accessdate=27 August 2019}}</ref>
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| 1968 || System standard development || {{w|Bell Labs}} starts developing the {{w|Advanced Mobile Phone System}} (AMPS) standard.<ref name="Introduction to the History of Computing: A Computing History Primer"/> || {{w|United States}}
