The last five years have seen great changes in Mac firmware security. As Intel Macs are replaced by Apple Silicon models, firmware may at last be simpler and more secure at last.
EFI
Many iMac17,1 computers are still stuck with firmware dating back to before macOS Catalina. Could this new approach enable them to install firmware updates again?
macOS 11.2 Big Sur brings EFI firmware updates for all supported models. This article lists the firmware versions […]
Many of this model have been unable to update to newer firmware versions. An appeal for users to report their firmware version and logic board ID.
Essential facts about the firmware in your Mac, how it’s updated, and which version you should be running. With links to more detailed articles.
If you’re working towards this benchmark (or those for earlier versions of macOS), or want to maintain systems to its requirements, I have something to help you.
What is wrong with this iMac, which has such a struggle updating its firmware? And why is Apple not acknowledging the problem?
What do you know about the hidden and unmounted EFI partition on all the disks you use with your Mac? It could be very important.
The macOS 10.15.4 Supplemental Update released on 8 April 2020 isn’t a small update by any means, at […]
Apple has released macOS 10.15.4 Supplemental Update, an out-of-cycle update which fixes: problems taking part in FaceTime calls […]
