iOS through the years (pictures)
Apple's iOS mobile operating system is now 6 years old, and it continues to evolve every few months. And today, as we get the official release of iOS 7, here's a look back at the major releases since iOS 3 and the biggest features that each update introduced.
Editors' note: This gallery was updated June 5, 2013 and again on September 18, 2013.
September 18, 2013 3:51 PM PDT
Photo by: James Martin/CNET
| Caption by: Jason Parker, Kent German
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