DP8000 not upgrading software

Any tips or ideas how to make the DP to load the software?
One of my DPs doesn't want to upgrade from 2.7.0
I have tried using Hog-net with H4 and RoadHog4.
No result using upgrade nodes or force reload. (Settings were correct cause the other DP upgraded)
No result using USB stick. I tried 3 different sticks.
Whatever I try it just boots to 2.7.0