Much is riding on the iPhone 4S. It's not just Apple's usual stoking the fires of expectation: it's the new iPhone entering a market that's virtually turned on its head. Android is usually out front in share, and once exotic features like dual-core processors and big screens are virtually table stakes. With a seemingly safe outside design, then, Apple is counting not just on speed but on camera quality and a potentially revolutionary voice command system to take back its earlier place. But are those enough? We'll judge in our iPhone 4S review
