It may rarely occur if you download the latest Combo updater for macOS. This may happen if you install a beta release of macOS, or could happen after service to your Mac. Your Mac has installed an updater which has in turn installed a newer version of the EFI firmware.There are two reasons for the major version being higher than that shown: What to do if your Mac’s EFI firmware is different from that shown For almost all models at present, this appears to be 0.0.0.0, the current iMac being the sole exception. The firmware version is then given in the following four numbers. In the Hardware Overview listing, this is given as the Boot ROM Version, and typically now looks likeġ23.0.0.0.0. I will update it to this new set when they have been distributed in security updates to High Sierra and Mojave.Īlternatively, use the About This Mac command at the top of the Apple menu, and click on the System Report… button. Note that, for the moment, SilentKnight’s reference list of firmware versions remains that for Mojave. The simplest way now is to run either of my free tools SilentKnight or LockRattler, available from their product page. How to check your Mac’s EFI firmware version The iMac Pro, 2019 Mac Pro, iMac 27-inch 2020, 2018 MacBook Pro with Touch Bar (MacBookPro15,1 and 15,2), 2018 Mac mini and 2018 MacBook Air, and their successor models, all use a different mechanism for firmware updates, managed by their T2 chips. See below for further details of how to obtain this. This is made up from the model designator IM144 = iMac14,4, the code 88Z or sometimes AAPLEFI4 or AAPLEFI5, the version number 0190 B00, and the datestamp of that version 1809171521 = 18/09/17 15:21. The full eficheck version number is likely to resemble However, in Catalina eficheck now also gives version numbers using the new notation. One numbering system used by the eficheck tool still uses the older system with two hexadecimal numbers, e.g. That displayed in System Information uses five decimal numbers separated by dots, e.g 96.0.0.0.0, and is given below. If your Mac is still running an earlier version of macOS, such as El Capitan, then you should refer to version 2 of this list instead.Īpple doesn’t provide an official list of the current EFI firmware versions which should be installed on each model of Mac. This article lists the firmware versions of Macs which have been successfully updated with Catalina Security Update 2022-005.įor older Macs and earlier versions of macOS, please refer to the previous listing of firmware versions. Isn't installed automatically, check to see if a manual updater isįor the record - upgrade is defined as going from one version of macOS/OS X to the next one up.MacOS 10.15 Catalina brings EFI firmware updates for all supported models, and subsequent updates have changed those for most models too. If your Mac needs a firmware update and it Some firmware updates are also available as downloads Most firmware updates are automatically installed when you update or This can happen as part of a normal update process or it can happen as part of a macOS installation. The EFI is upgraded only if it needs to be upgraded. Is the firmware automatically reinstalled upon an OS reinstallation? See this post: Where is the EFI stored on the macbook and is it possible to restore a previous EFI firmware version? Is it possible to reinstall MacBook firmware? It's call the EFI or Extensible Firmware Interface Do MacBook devices have something similar?
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