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#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 INSTALL#
#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 UPGRADE#
#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 FULL#
#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 SOFTWARE#
#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 FREE#

Some firmware updates are also available as downloads you can install manually.

#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 UPGRADE#

Most firmware updates are automatically installed when you update or upgrade OS X. This article has been archived and is no longer updated by Apple. This article lists firmware updates available as standalone installers for Intel-based Mac computers. Is there a way to update such outdated firmware other than updating from macOS 10.12.x to a newer macOS version like macOS 10.13 or newer? Some years ago it was possible from this Apple web page (last updated on 12th March, 2020):Ībout EFI and SMC firmware updates for Intel-based Mac computers Thank you again to all who responded to my previous request: I hope that your effort brings a solution. If you think that another model has similar problems to the iMac17,1, don’t hesitate to let me know.

#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 FULL#

If you’d prefer to do it manually, then this article gives full details. This automatically reads the firmware version and compares it with that stored in my GitHub database.

#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 FREE#

For recent models, the simplest way to check your Mac is using my free SilentKnight. Thanks to the help of readers here, particularly Pico, I maintain lists covering all models, and for some older versions of macOS too. If you want to check whether your Mac is running the latest firmware, I’m afraid Apple doesn’t publish a list of which versions are current. This will hopefully enable Apple’s engineers to get these updates working more reliably.

I have therefore compiled a short report for Apple and posted it to the Feedback system. Other than downloading and installing a standalone installer, either for the basic installation, or the ‘Combo’ update, there’s nothing else that the user can do. I don’t know why this is happening, nor why the installer isn’t reporting the error to the user. In other words, in many cases the firmware of iMac17,1 models isn’t being updated correctly even after several attempts to do so.

In 4 reports, I don’t know which version of macOS they’re running, but 1 is still at 170.0.0.0, and 3 at 176.0.0.0.

High Sierra – the one report I have is now at 176.0.0.0.

My figures broken down by current macOS version are: This clearly isn’t a random sample by any means, but only 27 of those 59 – that’s 46% – are now running 176.0.0.0, the current firmware. I’ve now had information for a total of 59 different iMacs, for which I’d like to thank all those who have so generously responded. Yet some users have continued to report that the version number of their iMac17,1 firmware has remained stuck at 170.0.0.0.įollowing that last update, I asked you to let me know the current firmware version of any iMac17,1 which had been updated to 10.15.4, or using Security Updates 2020-002 containing the same firmware update. There have been at least two further firmware updates for that model since, with 10.15.3 (and Security Updates) taking it to 175.0.0.0, and 10.15.4 (and Security Updates) on to 176.0.0.0. Readers here reported this problem, and I posted an article which questioned what was going on. Those iMacs should have been updated from version 170.0.0.0 to 173.0.0.0 when upgraded to Catalina, or with the matching Security Update for those which remained on High Sierra or Mojave. Since the release of the first version of Catalina six months ago, one particular model has resulted in a worryingly high failure rate in firmware updates: the iMac Retina 5K 27-inch Late 2015 (iMac17,1). It’s not as convenient, perhaps, as being able to run a separate firmware installer, but works. When this happens once, it’s no great disaster, and applying the update a second time – perhaps in the ‘Combo’ updater – often does the trick. Occasionally, though, updaters don’t install the firmware updates they’re expected to.

#WHEN IS HIGH SIERRA UPDATE AVAILABLE FOR MAC PRO EARLY 2011 SOFTWARE#

You let Software Update download and install macOS updates, and whenever new firmware is released for your particular model, that gets updated too.

When everything works well, you shouldn’t have to worry about any of this. Old versions can have incompatibilities with more recent releases of macOS (or Security Updates), and may contain security vulnerabilities and other bugs. Keeping your Mac’s firmware up to date is important. Each such update now comes with installers for the current release versions of firmware, which are different for various models of Mac. For some years now, the only way that your Mac can update its firmware is when you install a macOS update – which includes both updates to macOS as a whole, and Security Updates for previous major releases of macOS.