Apple stops signing iOS 14.5.1, blocking iOS 14.6 downgrade
Apple today stopped signing iOS 14.5.1, an update that was released in early May with important security fixes. That means users who have updated their devices to iOS 14.6 or iOS 14.7 beta can no longer downgrade to iOS 14.5.1. iOS 14.5.1 was released on May 3 with a fix for a bug that prevented…