iPhones now seem to be supported for 5 years now: - iPhone 4s was supported from iOS 5 to 9. - iPhone 5 receives iOS 10 updates, but will be out for 11, so iO

iPhones now seem to be supported for 5 years now: - iPhone 4s was supported from iOS 5 to 9. - iPhone 5 receives iOS 10 updates, but will be out for 11, so iOS 6 to iOS 10. - iPhone 5s will receive iOS 11. That makes iOS 7 to 11.