El Corazon wrote: Check out the synaptic package manager after installing Ubuntu MATE on the Nano-Pi. I skimmed over it quickly last night and I though kernels 4.15 and 4.18 were listed there.
I may be wrong, will have to check again tonight. If downgrading were possible, that would solve a lot of problems.
How do you install Ubuntu Mate on the M4? I can't see an image for it, just the RPi3 one and that doesn't work.