Evolution of the iPhone

POSTED: 1:49 PM Oct 03 2011   UPDATED: 9:10 AM Sep 19 2014

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.

Evolution of the iPhone - Intro
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David Goldman/CNNMoney.com

They're here -- the iPhone 6 and iPhone 6 Plus officially went on sale Sept. 19. Take a look back at how far this game-changing smartphone has come.

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