A (Mostly) Quick History of Smartphones - Cellular Sales
Did you know that HTC made the first Microsoft smartphone (long before making the first Android one)? - PhoneArena
Smartphone history: A complete timeline
The first smartphones in the world
The smartphone is turning 25: here's how far it's come -- Verdict
History of mobile phones | What was the first mobile phone?
Detail
Mara milestone: first 'Made in Africa' smartphones launched | South China Morning Post
IBM created the world's first smartphone 25 years ago | World Economic Forum
Smartphone History - The First Smartphone | SimpleTexting
The first smartphones made in South Africa – Pricing and specifications : r/Android
World's first 'smartphone' celebrates 20 years - BBC News
World's First Smartphone Simon Launched Before iPhone
The Evolution of the Smartphone, From IBM's Simon to Samsung's Galaxy Fold - TheStreet
Mobile phone - Wikipedia
First Smartphone: Fun Facts About Simon | Time
9 fun facts about the world's first smartphone | Atmel | Bits & Pieces
Samsung Announces Its First Android Phone | WIRED
History of mobile phones | What was the first mobile phone?
What Was The First Smartphone? - YouTube
The iPhone Wasn't the First Smartphone. Here's How It Managed to Change the World | Inc.com
The Evolution of the Smartphone, From IBM's Simon to Samsung's Galaxy Fold - TheStreet
