Jason Snell reviews the iPhone 4S. It's what we've come to expect from an iPhone upgrade with an "S" on the end of the name: better camera, snazzy new voice features, and a whole lot of new speed.
iPhone 5 vs iPhone 4S: Our in-depth comparison
Apple iPhone 15 Pro Max Price in India, Full Specs, Features, News
Apple iPhone 4s specs - PhoneArena
iPhone 5s review: Features, Specifications, and Pricing
Apple iPhone 4S Review
Apple iPhone 4S (Black, 16GB) : : Electronics
iPhone 4S Review
Apple iPhone 5 review: Finally, the iPhone we've always wanted - CNET
Apple iPhone 4s 16GB in India, iPhone 4s 16GB specifications
iPhone 4S vs. iPhone 4 vs. Samsung Galaxy S II: by the numbers