Thanks Stephen, Sorry to be tardy replying. I missed the email from the forum saying that you posted. That is exactly what I saw when I selected Sonoma as my OS: “There is no firmware for the OS version you selected”Of course, this note refers ...
Sure the firmware may be OS agnostic. That is not the question. The difficulty is getting the .fir file extracted from the DMG. The updater itself and how the DMG file was built can be dependent on the OS. I suspect that is why, after selecting th...