Razer has announced that it has partnered with Netflix to bring HDR-10 and 5.1 audio support to the Razer Phone. While there exist phones that can playback content in HDR on Netflix, the Razer Phone will be the first mobile device to get 5.1 audio support. In an update arriving later this month, new and existing users will get the option to watch Netflix in HDR. This was a bit of a surprise since Razer never mentioned support for HDR previously but apparently the Razer Phone does have an HDR-10 display, although I'm not sure if that means you can play local HDR videos or HDR videos on...
Source: https://www.gsmarena.com/razer_phone_to_get_hdr_and_51_support_on_netflix_in_an_update-news-29068.php