The smartphone is turning 25: here's how far it's come -- Verdict
Smartphone | Camera, Battery Life & Storage | Britannica
Apple did not invent the smartphone | by Kim T | Creative Technology Concepts & Code | Medium
Smartphone history: a complete timeline
Smartphone history - The first smartphone | SimpleTexting
The first smartphones in the world
Smartphone history - The first smartphone | SimpleTexting
The first cell phone and the origins of the modern mobile - Ting.com
-min.jpg?width=1200&height=800&name=TXT-688-blog%201-1%20(1)-min.jpg "Smartphone History: The Timeline of a Modern Marvel")
Smartphone History: The Timeline of a Modern Marvel
:quality(70)/cloudfront-eu-central-1.images.arcpublishing.com/irishtimes/P72BGZNIEUIFBB2R5JTATPTUJU.jpg "$900 and a battery life of one hour: the first ever smartphone – The Irish Times")
$900 and a battery life of one hour: the first ever smartphone – The Irish Times
HTC Dream - Wikipedia
A (Mostly) Quick History of Smartphones - Cellular Sales
File:IBM Simon Personal Communicator (1993) - the first smartphone - Computer History Museum.jpg - Wikimedia Commons
What Was The First Smartphone?
The smartphone is turning 25: here's how far it's come -- Verdict
IBM created the world's first smartphone 25 years ago | World Economic Forum
Detail
The iPhone Wasn't the First Smartphone. Here's How It Managed to Change the World | Inc.com
Smartphone history: a complete timeline
$900 and a battery life of one hour: the first ever smartphone – The Irish Times
First Smartphone: Fun Facts About Simon | TIME
World's First Smartphone Simon Launched Before iPhone
Smartphone history - The first smartphone | SimpleTexting
