The very first Android smartphone will soon deliver Dolby Vision 4K video recordings in HDR - that's what Oppo promises for its Find X7 and Find X7 Ultra, whose differences in the camera area have now been clarified. The portrait shots taken with one of the two periscope telephoto cameras also impressed the internet community. https://www.notebookcheck.net/Oppo-Find-X7-Ultra-Hasselblad-camera-Impressive-portrait-photos-4K-Dolby-Vision-HDR-video-differences-to-the-Find-X7.789987.0.html
Find X6 pro already shoots Dolby vision HDR, because I've used it many times