AS for the video player outputting 10-bit, I guess if that's true, it doesn't make sense to me why they bother with more color precision in anime, since it soulds like it'd have to map back to 8-bit ...

There seems to have been a mistake, and Samsung’s Galaxy S26 base model and Ultra variant are shipping with a display capable of 8-bit color, instead of 10-bit. This was always supposed to happen, but ...