The OTA update to V3 did not go well here – the system-integrity check went fine, the backup was created, the upgrade began, seemed to be progressing, then the spinning circle where the web-page used to be; then the system just disappeared. I assume it crashed completely, but it certainly was no longer on the network – not on the device-list of the router, couldn’t be pinged, gone from the myvolumio page visible on the other volumio devices . I tried to power down and restart, but the system is now not bootable.
This is a Pi4.
I really really didn’t want to mess with copying images to an SD card, but I suppose there is now no other option?