| Device Name | Platform | OS Version | Portrait Width | Landscape Width | Release Date | Bootstrap Portrait | Bootstrap Landscape |
|---|---|---|---|---|---|---|---|
| iPhone | iOS | 3.1.3 | 320 | 480 | 2007-06 | xs | xs |
| iPhone 3G | iOS | 4.2.1 | 320 | 480 | 2008-07 | xs | xs |
| iPhone 3GS | iOS | 6.0a2 | 320 | 480 | 2009-06 | xs | xs |
| iPhone 4 | iOS | 5.1.1 | 320 | 480 | 2010-06 | xs | xs |
| iPhone 4S | iOS | 4.3.5 | 320 | 480 | 2011-10 | xs | xs |
| iPhone 5 | iOS | 6 | 320 | 568 | 2012-09 | xs | xs |
| iPhone 5c | iOS | 7 | 320 | 568 | 2013-09 | xs | xs |
| iPhone 5s | iOS | 7 | 320 | 568 | 2013-09 | xs | xs |
| iPhone 6 | iOS | 8 | 375 | 667 | 2014-09 | xs | xs |
| iPhone 6 Plus | iOS | 8 | 414 | 736 | 2014-09 | xs | xs |