HEVC is an successor to H.264/MPEG-4 AVC (Advanced Video Coding). Also know as H.265, HEVC is the latest video compression standard that is said to double the data compression ratio compared to H.264/AVC at the same level of video quality. Video encoded with HEVC will maintain the high visual quality, but at a smaller file size. However, H.265/HEVC video is not a friendly format for OnePlus 3/2/1. Web searching "H.265/HEVC to OnePlus", you can find many issues: "HEVC is NOT in the supported video codec list. I wonder whether the One has a HW HEVC decoder. Even if no HW codec, there may be another way to play." – from Continue reading Playing 1080p H265 videos on OnePlus 3/2/1→