And to help you see things more clearly, here’s a list of supported iOS versions for each iPhone : iPhone 11, 11 Pro and 11 Pro Max: iOS 14. iPhone XS MAX: iOS 14. iPhone XS: iOS 14. iPhone XR: iOS 14. iPhone X: iOS 14. iPhone 8 and 8 Plus: iOS 14. iPhone 7 and 7 Plus: iOS 14. iPhone SE: iOS 14. This function is enabled automatically for private browsing in ‌‌iOS 17‌‌, but it can be turned on for all browsing. To turn it on, open up the Settings app and go to Safari. Tap on XPxIJ1.