Evolution of the iPhone

Published On: Oct 03 2011 01:49:57 PM CDT   Updated On: Sep 10 2015 09:11:56 AM CDT

Apple iPhone 4S comparisons
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Kevork Djansezian/Getty Images

Philip Schiller, Apple's senior vice president of Worldwide Product Marketing, speaks about iPhones, including the new iPhone 4S, at Apple headquarters in Cupertino, Calif., on Oct. 4, 2011.

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