OS X El Capitan Security Update 2018-001 is, I think, the most substantial update to 10.11.6 since 2016, […]
firmware
macOS Sierra Security Update 2018-001 is effectively a minor macOS update which updates a lot of components within […]
macOS High Sierra 10.13.3 is another substantial update, weighing in at around 2 GB in all, amounting to […]
Effectively a Combo updater with the Supplemental Update, many apps are updated in a total payload of around 4.5 GB. And there’s the new emoji too.
As usual, Apple’s release notes for the Supplemental Update to High Sierra, released on 5 October 2017, fall […]
A checklist of the latest EFI firmware versions which should be running on each recent Mac model.
As Apple controls hardware, firmware, system software, and their updates, EFI firmware should be kept up to date reliably. But it isn’t. What’s gone wrong?
Every week, Macs running High Sierra will check the integrity of their EFI firmware, in a bid to detect tampering by malware.
How to update your firmware, reset the SMC, and reset the NVRAM (or zap the PRAM), and what they do. Updated for High Sierra.
Additional info about how you can install and upgrade to High Sierra, its new Content Caching feature, how it changes firmware updates, changes to NVRAM, and more.
The Eclectic Light Company 