Apple has stopped “signing” the original release of iOS 12 following the arrival of iOS 12.0.1. That means that anyone who has upgraded to iOS 12.0.1 can no longer go back to the previous version.
You can no longer downgrade from iOS 12.0.1
Photo: Wendelin Jacober/Pexels
October 23, 1999: Apple releases Mac OS 9, the last version of the classic Mac operating system before the company will make the leap to OS X a couple years later.
