And now iOS 13.5.1 and iOS 13.6 are available. That’s to say, if you want to downgrade iOS 14 to iOS 13, you should download the correct iOS 13 IPSW file.Downgrade went fine, but after the downgrade, the device. Yesterday, I downgraded my iPhone 7 from iOS 11.3 Developer Beta 1 to iOS 11.2 Release (It was being signed then) using the 'Upgrade' option.