History of iPhone 4s: The most amazing iPhone yet

The history of iPhone —continuing with the most amazing one yet!

iPhone 4s - Wikipedia

How Siri got on the iPhone

The evolution of Apple's iPhone

What phone is peak iPhone design? These are mine. : r/iphone

iPhone 5 vs iPhone 4S in hands-on photos - CNET

iPhone 4s - Wikipedia

iOS: A visual history - The Verge

Will Apple stop supporting iOS on iPhones older than five years old? - Quora

Apple iPhone: A 10-year perspective

A visual history of the Apple iPhone, tech's most iconic gadget

Apple iPhone Designs Ranked: From Original 2007 iPhone to iPhone X