@David-TP Would it be possible to SSH into the router since I can, at least, get to the firmware flash page?

@David-TP So, yeah, I've gone through the bricked firmware method 2 process several times of reflashing the firmware via the direct connection from my laptop to the ethernet port. It flashes just...

The main unit suddenly stopped working today and I haven't found any way to get it back online. I pulled it out of the mesh and reset the other two units (two more M4R plus an M3W) to get everything...