Apple blocks downgrades to iOS 13.3 as jailbreak release looms
February 13, 2020
Apple today has officially stopped signing iOS 13.3 and iPadOS 13.3. This means that users can no longer downgrade from iOS 13.3.1 to iOS 13.3. iOS 13.3.1 was released last month with improvements to Screen Time and the Mail app.
Now that Apple has stopped signing iOS 13.3, it means that no one can downgrade from iOS 13.3.1 to that version via iTunes/Finder. Reverting to older iOS builds is common…