After months of testing, iOS 11 is ready to start rolling. Nearly twenty iDevices will receive the upgrade today. The iOS 11 comes with a new UI, enhanced AR capabilities and an improved camera app. Siri also got an update. New voices are more natural and the assistant also gained translation capabilities from English to five languages. You can find the complete list of updates here. Here is the full list of devices that will receive the iOS 11: iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone 5s, iPhone SE, iPad...
Source: http://www.gsmarena.com/apple_ios_11_arrives-news-27350.php