Roll back to previous version after upgrade to Volumio 3

Happy to consider this resolved, previous versions are available here:
https://community.volumio.com/t/volumio-3-issues-hints-and-solutions/51707#volumio-3-does-not-work-for-me-yet-some-things-i-need-are-still-missing-3

(Click on hint under “Volumio 3 does not work for me yet, some things I need are still missing.”)

Craig