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Running eficheck as detailed above is the best way to perform that check. So its Allow List is content with older and newer firmware versions вЂ“ it currently has more than 2,000 entries вЂ“ but most importantly checks that the version installed is intact, as Apple expects it to be, and hasnвЂ™t been corrupted or altered. What it is primarily intended to do is check that nothing has tampered with your firmware. Should you check your MacвЂ™s EFI firmware against the Allow List?ДЄlthough eficheckвЂs Allow List is intended to ensure that your MacвЂ™s EFI firmware is recent, it doesnвЂ™t require that it is the current version, as listed above вЂ“ itвЂ™s an Allow List. If it doesnвЂ™t, save the result immediately and contact Apple support soonest, ready to quote to them the results of that check.ДЇuller details about eficheck are given in this article. The Boot ROM version given in parentheses should match the version given above.

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In the first line of the response, this gives the Mac model (MBP141 = MacBook Pro 14,1), the major version (F000), the minor version (B00), and the build datestamp of that version (= 19/09/13 19:25). Once it completes, you should see a response likeД®FI Version: 00.1909131925 (Boot ROM Version: 202.0.0.0.0) usr/libexec/firmwarecheckers/eficheck/eficheck -integrity-check Open Terminal, and in its command line type But thereвЂ™s no harm in running it if that gives you peace of mind. Normally, this is run automatically every week, and you should be informed of any issues which it raises. If you are concerned that something bad may have happened to your EFI firmware, and your Intel Mac is running High Sierra or later but doesnвЂ™t have a T2 chip, you can run the eficheck tool to test this. How can you check the integrity of your EFI firmware in Intel Macs? Then check the firmware version again.ДЇirmware updaters are now only distributed as part of macOS updates and upgrades: Apple does not provide them separately. If the installed version of firmware has a version which is lower than that shown, you can try installing macOS a second time. You may be able to check that in High Sierra and above: see below for instructions.

Your Mac has installed a spurious version of the firmware, such as malware.

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It may rarely occur if you download the latest Combo updater for macOS.

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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 firmware.There are two reasons for the major version being higher than that shown: What to do if your MacвЂ™s firmware is different from that shown In the Hardware Overview listing, this is given as the Boot ROM Version or System Firmware Version.

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The simplest way now is to run either of my free tools SilentKnight or LockRattler, available from their product page.ДЄlternatively, use the About This Mac command at the top of the Apple menu, and click on the System ReportвЂ¦ button. 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.

Macs still running older versions of macOS are covered by information at: Apple Silicon Macs are different again, and give an iBoot version instead, as they donвЂ™t use EFI at all. Those models with T2 chips consist of two parts, the second covering iBridge in the T2. That displayed in System Information for Intel models uses five decimal numbers separated by dots, e.g 96.0.0.0.0, and is given below. This article lists the firmware versions of Macs which have been successfully updated to run macOS 11.6.3.ДЄpple doesnвЂ™t provide an official list of the current firmware versions which should be installed on each model of Mac. MacOS 11.6.3 Big Sur brings EFI firmware updates for many supported models.

Check my mac for software updates 2016