IOS 14, iPad OS 14 and iOS Advanced Upgrade

iOS 14 and iPad OS 14 were announced summer 2020 and at the 2020 Apple press conference, along with iPhone SE 2, iPhone SE 2F, iPhone SE 2R, iPad Pro mini, iPad Communicate, iPad Camera, Apple Watch Z, iPod R, iMac Advance, iMac Tablet and iOS advanced upgrade

iOS Advanced

 * 1) iPhone
 * 2) iPhone 3G
 * 3) iPhone 3GS

iOS Advanced 2

 * 1) iPhone 4
 * 2) iPhone 4s
 * 3) iPhone 5