IOS 11

iOS 11 is the eleventh major release of iOS, developed and distributed by Apple Inc. It succeeded iOS 10 and was followed by iOS 12. iOS 11 was formally announced at the 2017 Worldwide Developers Conference alongside tvOS 11, watchOS 4 and macOS High Sierra, where the new features were showcased. Some functions were completely redesigned, such as the Control Center and the App Store. Some brand new features were introduced in iOS 11, such as augmented reality and AirPlay 2. This update was advertised to "improve the iOS you know and love." It was released on September 19, 2017, alongside the iPhone 8, the 8 Plus and the iPhone X.

Supported devices
iOS 11 supports and is downloadable for free for the following devices:

iPhone

 * iPhone X
 * iPhone 8 Plus
 * iPhone 8
 * iPhone 7
 * iPhone 7 Plus
 * iPhone 6s
 * iPhone 6s Plus
 * iPhone 6 Plus
 * iPhone 6
 * iPhone SE
 * iPhone 5s

iPad

 * 12.9-inch iPad Pro - (2nd generation)
 * 12.9-inch iPad Pro - (1st generation)
 * 10.5-inch iPad Pro
 * 9.7-inch iPad Pro
 * iPad Air 2
 * iPad Air
 * iPad - (6th generation)
 * iPad - (5th generation)
 * iPad mini 4
 * iPad mini 3
 * iPad mini 2

iPod

 * iPod Touch - (6th generation)

Unsupported devices
The following older Apple devices are not supported by iOS 11 or later. The last update for iOS 10 will be the final compatible update for the following devices:

iPhone

 * iPhone 5
 * iPhone 5c

iPad

 * iPad (4th generation)