Major Changes iPhone 2007-2017

Given the major changes Apple plans to introduce to the iPhone in 2017, it seems unlikely the device will receive an "S" name, so there's a good chance Apple may decide to skip directly to the next full number, naming the 2017 iPhone the iPhone 8.

2007 - iPhone
2008 - iPhone 3G
2009 - iPhone 3GS
2010 - iPhone 4 (new design)
2011 - iPhone 4s
2012 - iPhone 5 (new design)
2013 - iPhone 5s
2014 - iPhone 6 and iPhone 6 Plus (new design)
2015 - iPhone 6s and iPhone 6s Plus
2016 - iPhone 7 and iPhone 7 Plus
2017 - iPhone 8 and iPhone 8 Plus