Evolution of the iPhone

Published On: Oct 03 2011 01:49:57 PM CDT   Updated On: Sep 19 2014 09:10:17 AM 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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A year later, the iPhone 3GS was introduced. It looked the same as the 3G, but was faster and featured a higher resolution camera, video capabilities and voice control.

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