The smartphone is turning 25: here's how far it's come -- Verdict
Smartphone - Wikipedia
Mobile phone - Wikipedia
25 years of mobile phones: India's journey to becoming world's second-largest smartphone market
World's First Smartphone Simon Launched Before iPhone
IBM created the world's first smartphone 25 years ago | World Economic Forum
History and evolution of smartphones | by S92063042 | Medium
iPhone throwback: The original 2007 iPhone started the smartphone revolution | Mobile News
The rise of the smartphone: Mobile technology in the 2010s
Smartphones: the cultural, individual and technical processes that make them smart
Different Types of Mobile Phones and Smartphones | TL Dev Tech
The history of smartphones: timeline | Smartphones | The Guardian
Cell phone history: From the first phone to today's smartphone wonders
World's First Smartphone Simon Launched Before iPhone
Smartphone innovation in the third decade of the 21st century | MIT Technology Review
History of mobile phones | What was the first mobile phone?
Smartphone History - The First Smartphone | SimpleTexting
Cell phone history: From the first phone to today's smartphone wonders
Smartphone | Britannica
On the Origin of the Smartphone – Product Evolution
Smartphone History - The First Smartphone | SimpleTexting
The best smartphones of 2023, tried and tested – but are they worth the upgrade?
Smartphone History - The First Smartphone | SimpleTexting
The smartphone is turning 25: here's how far it's come -- Verdict
The invention of mobile phones | Science Museum
The History of the Cellphone
