至今发布的21款iPhone里，你最中意哪一款？

2007 初代iPhone

2008 iPhone 3G

2009 iPhone 3Gs

2010 iPhone 4

2011 iPhone 4s

2012 iPhone 5

2013 iPhone 5s

2013 iPhone 5c

2014 iPhone 6/6p

2015 iPhone 6s/6sp

2016 iPhone SE

2016 iPhone 7/7p

2017 iPhone 8/8p

2017 iPhone X

2018 iPhone XR/XS/XS Max