Have you checked whether your Mac is running the latest version of firmware? For some iMacs, that might bring an unwelcome surprise.
There are three software systems at the heart of every Mac: its firmware (‘EFI firmware’), the system kernel, […]
Catalina upgrade may fail to update EFI firmware correctly in some Mac models, notable iMac17,1. Check your firmware!
macOS 10.15 Catalina brings EFI firmware updates for all supported models, and subsequent updates have changed those for […]
Now does much of what LockRattler does, without the barrage of numbers. It also checks automatically whether you Mac is up to date.
You can find out which EFI version your Mac is running, but how do you know whether that’s current, or old and vulnerable?
How can you check whether your firmware is fully up to date when Apple doesn’t help? A new app to make this much simpler, and automatic.
After surprise EFI firmware updates, an unsurprising set of problems. Which version to use, and how to use it? Or is it just a ploy to confuse?
Apple doesn’t provide an official list of the current EFI firmware versions which should be installed on each […]
How to check it, what the current version is, what to do about any problems. All your questions answered – even on ethernet firmware now.