Apple Hub on Twitter: "According to iPhoneSoft, iOS 15 will be compatible with all iOS 14 compatible devices except for the iPhone 6s, iPhone 6s Plus and the 1st gen iPhone SE
iOS 15 brings powerful new features to stay connected, focus, explore, and more - Apple
Will iPhone 7 Get iOS 15?
iOS 15 update details: Which phones will get iOS 15 update? Find out here | Apps
iPhone 7 Plus Is GREAT On iOS 15. Welcome back everyone, iOS 15 has been… | by Simple Alpaca | Medium
iOS 15 will be released next week, list of supported devices exposed