Apple iPhone 4S review: Apple iPhone 4S - CNET

It lacks the impact of the iPhone 4, and if you already own its predecessor there

Apple Reaches Settlement to Pay $15 to Some iPhone 4S Owners Who Experienced Buggy Performance After iOS 9 Update - MacRumors

iPhone 4S: Beginning of the end of point-and-shoots? - CNET

iPhone 4S gets Siri for intelligent voice control - CNET

Apple iPhone 4S review: Apple iPhone 4S - CNET

Unlike iPhone 4, Consumer Reports recommends iPhone 4S - CNET

Apple's iPhone through the years - CNET

iPhone 4S parts cost $188, study finds - CNET

Apple iPhone 4S review: Apple iPhone 4S - CNET

iPhone 4s - Wikipedia

iPhone 4s - Wikipedia

Apple iPhone 4 review: Apple iPhone 4 - CNET