OnePlus One has support for 4K video recording and here is the sample video that I recorded in 4K and was directly uploaded to YouTube without any editing it’s a 1:39 video and the file size was 745 MB.
My other videos on the OnePlus One http://www.youtube.com/playlist?list=PLtIc4giS3RKMzDFNhxtbETpvYL_z9KBvm
