IOS Devices Compatible for iOS 11

iPhone : iPhone 5s, iPhone 6/6+, iPhone 6s/6s+, iPhone 7/7+, iPhone 8/8+ & iPhone X.

iPad : iPad Air, iPad Air 2, iPad Pro 10.5 iPad Pro 9.7, iPad Pro 12.9 ( 2nd gen ), iPad Pro 12.9 ( 1st gen ), iPad ( 6th gen ), iPad ( 5th gen ), iPad Mini 4, iPad Mini 3 & iPad Mini 2.

iPod Touch : iPod Touch ( 6th gen )

All devices which lost support : iPad 4, iPhone 5 & iPhone 5c