![]() ![]() – using Pacifist, extract the relevant firmware file (in my case, MM71.scap) from the pkg, and put it in a folder of your choosing. (note: Big Sur and Monterey updates don’t have a separate FirmwareUpdate.pkg files, so for eventual future firmware updates not distributed to Catalina users you would have to download InstallAssistant.pkg instead) sucatalog file for the OS update which includes the firmware update, either manually or using a utility like SUS Inspector locate the FirmwareUpdate.pkg file, and download it. I’ve done this successfully multiple times on my MacMini7,1, which is still on Mojave and has never run anything newer (and it uses an aftermarket M.2 NVMe SSD, a Samsung 970 Plus) I just wanted to add my two cents regarding firmware: while it is not for the faint of heart, if you’re determined (reckless?) enough, you can update firmware on its own, without installing an OS update. ![]() SilentKnight and LockRattler: A Masterclass SilentKnight: how to install just one update, rather than all What to do when an update won’t install correctly Updating your Mac using softwareupdate, SilentKnight and silnite If SilentKnight can’t find an update which it reports is needed, then you should contact Apple Support, as that’s a serious problem in macOS or Apple’s software update servers. If SilentKnight reports that it has downloaded an update such as XProtect but can’t install it, that means that you’re using a Content Caching server, and should disable it and try again. However, for smaller security data updates like XProtect, SilentKnight is excellent and just as reliable. For larger updates, including macOS security updates, you should use Software Update to download and install them, not SilentKnight. That alone is often sufficient to make Software Update recognise there’s an update available, and to offer it. It will also look for any available updates, and list them for you. Open the app and the first thing it will do is check whether your system and security software is up to date, and inform you of any discrepancies. Download it from its Product Page, unZip it, and move it into your Applications folder. My free utility SilentKnight can be a real boon when you’re having problems with software updates. Use SilentKnight to kick Software Update into action.Starting up in Safe mode (Intel Macs with the Shift key held, Apple silicon Macs through Recovery) is intended to make updates easier to obtain and more reliable to install, and often does the trick.Simply restarting your Mac can restore normal software update function, and the updates will magically appear in Software Update.If your Mac isn’t offering more substantial macOS and security updates which it should, there are several things you can try: Once it’s up to date again, you can enable the Content Caching server. ![]() The simplest solution is normally to disable the Content Caching server in the Sharing pane, then run SilentKnight on the out-of-date Mac, and allow it to install those outstanding updates. If your Mac appears out of date, particularly for the most recent versions of XProtect, and it gets its updates through a Content Caching server, that’s likely to be a bug that I’ve reported to Apple.
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