I got this receiver Quad4K and currently using this image 6.2 (173) , i get no picture at 2160p all the time?

I can disable Deepcolor support on the current HDMI port, restart tv, and then set Quad4k to 2160p and my tv says it needs deepcolor and restart.
Now box can use 2160p without problems. But suddenly it reset, and i get black screen again, and tv report no input.

Anyone else?

I do not dare write german It is very bad. Hope it is ok.

Do i need a different image to see "TravelXP 4k" on Hotbird 13e? or just not supported here.