iOS 11 is available for download

iPhone 7 

iPhone 7 Plus 

iPhone 6S, iPhone 6 

iPhone 6S Plus, iPhone 6 Plus 

iPhone SE, iPhone 5S 

iPad Pro 10.5, iPad Pro 12.9 (2017) 

iPad 9.7 (2017) 

iPad mini 4, iPad Air 2, iPad mini 3 

iPad Pro 9.7

iPad Pro 12.9 

iPad Air, iPad mini 2 
iPod touch (the sixth generation) 

See Othere Related post : Whats Is Ios 11 Fetures And Review

Source : Apple