Xbox One S, YT 4K/HDR.

Sup guys!

I've acquired query. Does XOS assist HDR at 4k ress on YouTube app !? Cus i've acquired bizarre state of affairs. When i’ve all choices ON at video settings, HDR10 on, 4K on, then on YouTube i’ve solely 1440p decision with HDR10 working, however i don't have 4K res. to decide on, lol. When i flip off HDR10 in video settings of my XOS, than i can play 4K video at YouTube, however with out HDR10 in fact, cus i turned off.

Wtf !? Can somebody replay, is feasible to play these magnificence 4K trailera and so on. with HDR10 on ? My TV is TCL55C645 and have 4K/HDR10 and DV.