Some Intel Macs without T2 chips have firmware updates with last week’s security updates. Here are the details.
firmware
When run on Intel Macs without a T2 chip in Ventura 13.3.1, LockRattler may crash because of a bug in macOS. This update fixes it.
macOS Ventura 13.3, Monterey 12.6.4 and Big Sur 11.7.5 bring firmware updates for all supported Macs
This week’s updates to macOS 13.3, 12.6.4 and 11.7.5 should have updated the firmware of every supported Mac. […]
What should you do if a firmware update goes wrong? Here’s a guide to avoid panic, whether your Mac is Intel, has a T2, or M-series chip, and for Studio Displays.
Apple silicon Macs are better-equipped to prevent and deal with disaster. Restoring in DFU mode is extremely unusual, and more powerful than anything you can do with an Intel Mac.
On Intel Macs, key combinations determine startup modes and more, but they have no effect on Apple silicon Macs. And how to deal with keyboard problems when logging in.
Why your Mac’s firmware version may not be the latest you expect. What you can do about that, depending on its type.
Links to firmware info, disk layout and structure, and security software for 13.0, 12.6.1 and 11.7.1.
List of current versions of firmware for all models of Mac supported by Ventura, following upgrading to Ventura.
The rules of firmware updating explained, and their consequences for each type of Mac. How to refresh firmware on a T2, and how to downgrade it in an Apple silicon Mac.
The Eclectic Light Company 