openatv 7.3

I'm using my ultimo4k as my main sat box, I have had LCD4linux plugin running on this box before, and I have it running fine on my duo2, I can set it up in the plugin and my web browser, but when I save it and reboot the box I just get the default display, what's going wrong?

Brand new SF8008 4k, flashed with latest 7.3 Open Atv...got to the end of the online flash then said rebooting in 3 seconds. It did not... so I had to turn off and on at the power switch. Now when I try to reboot with the remote it does not. I have to turn off at the back power switch. I tried...