iOS 15 is used by the majority of Apple’s current iPhone versions. However, Apple is undoubtedly working on iOS 16 and testing its new features.
Instead, the new popular “Back” gesture is intended to be identical to that used on Android. The old back arrow button will be replaced by a new hamburger menu-style button, with the back action as one of the menu’s options.
iOS 16 is slated to debut alongside Apple’s next iPhone model (rumored to be called iPhone 14 series).