Cell Phone

First cell phone invented

Period: Apr 3, 1973 to 1983

https://www.theatlantic.com/technology/archive/2013/04/the-first-mobile-phone-call-was-made-40-years-ago-today/274611/

First cell phone was sold as the first commercial handheld cellular phone

Period: 1983 to 1999

https://mashable.com/2014/03/13/first-cellphone-on-sale/#NQ0bBewLysqw

The phone that started it all- Nokia 3210

Period: 1999 to 2004

https://www.mobilephonehistory.co.uk/nokia/nokia_3210.php

Blackberry 7730

Period: 2004 to 2005

https://www.phonearena.com/phones/BlackBerry-7730--7780_id744

First touchscreen to market

Period: 2006 to 2010

https://www.tigermobiles.com/evolution/#fifthPhone

Smartphones

Period: 2011 to 2014

https://www.tigermobiles.com/evolution/#fifthPhone

4G improvements

Period: 2015 to 2018

https://www.tigermobiles.com/evolution/#fifthPhone