Evolution of the iPhone

Published On: Oct 03 2011 01:49:57 PM CDT   Updated On: Sep 19 2014 05:17:26 PM CDT

They're here -- the iPhone 6 and iPhone 6 Plus officially went on sale Friday. Take a look back at how far this game-changing smartphone has come.

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Apple CEO Steve Jobs unveiled the original iPhone in January 2007, calling it three revolutionary devices rolled into one.

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