The difference between iphone 4 and 4s

The difference between iPhone4 and 4s is explained with the two handsets compared side by side.

can anyone tell me the difference between these two iphone 4's? : r/iphone

iPhone 4s - Wikipedia

Apple iPhone 4: an object of rare beauty that leapfrogs the competition, iPhone

Lot 2: Apple iPhone 4s 16GB (AT&T) & iPhone 4 8GB(Verizon)Read Ad#3M04

Apple iPhone 4S - 3G smartphone / Internal Memory 16 GB - LCD display - 3.5 - 960 x 640 pixels - rear camera 8 MP - Verizon - white

Hello: DIFFERENCE BETWEEN IPHONE 4 AND IPHONE 4S

iPhone 5C vs iPhone 4S – 10 ways the newer iPhone is better

Key Differences Between the iPhone 4S and 'iPhone 5' Battery? [Photos] - iClarified

What are the main differences between the iPhone 4 and iPhone 4S? - Quora

iPhone 4s - Wikipedia

Report: Apple readying new 4-inch “iPhone 5SE” for the spring [Updated]

iPhone 5S vs. iPhone 5C vs. iPhone 4S: Spec Comparison

How to Tell an iPhone 4 from a 4s: Differences Explained

The iPhone 5 Is Completely Amazing and Utterly Boring