Firmware upgrade from 4,1 to 5,1 failed on Mac Pro 2010

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Swusler1954 Author

Level 1

4 points

Firmware upgrade from 4,1 to 5,1 failed on Mac Pro 2010

I started to upgrade the firmware on my 2010 Mac Pro tower. I used a Mojave upgrader that was supposed to upgrade the firmware also. Mojave was installed but the firmware upgrade failed. Can someone help me??

[Re-Titled by Moderator]

Original Title: 4.1 to 5.1 firmware upgrade

Mac Pro, macOS 10.14

Posted on Oct 18, 2025 4:15 PM

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Answer 1

Oct 18, 2025 4:39 PM in response to Swusler1954

 menu >about this Mac > (more information) > hardware pane

what is the version of the firmware now installed, showing under system firmware version:

if you post a screenshot, be sure to OMIT your serial number, it attracts vermin.

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