Found this article and was able to hook it up to my new M1 MBA and miraculously, the restore actually worked. Restore macOS Firmware on an Apple Silicon M1 Mac + Boot to DFU Mode, Big Sur on older Macs ULTIMATE GUIDE! Unfortunately I don’t have another Mac running OS version 10.15.6 or newer, so will probably have to go to the Apple Store ð���. The Rough Guide Snapshot to Melbourne and around is the ultimate travel guide to this area of Australia. It appears that this has changed in OS11 Big Sur. Provides information to quickly improve and customize a Mac computer, enable undocumented Mac OS X features, automate tedious tasks, handle media, and troubleshoot disk issues. The workaround is to go into System Settings, Date & Time, and temporarily uncheck auto-set date/ time, and manually roll back the calendar year of your Mac to the year that the version of Mac OS you want to install.
