¨Nothing I could see¨ hmm. so hold the power for 20 ish seconds and do the exact sequence I describe in the previous post.
if NOTHING changes on the screen, or it stays white or whatever? that is probably right....
There IS NO GUI for this mode of operation.
read the k3flasher docs. they are quite clear and I have splattered worked examples of using it around every time I do.
That will be of more use than KUAL until you get the reboots fixed as you say.