DVDFab Video Converter, a piece of video converter software is required if you want to watch that specific video on it, with which, you can convert that video into correct format and then watch it on the S7 anytime convenient to you. Here is a tutorial video describing how to convert video to Samsung Galaxy S7 with Sothink Video Converter. For more info, please visit:http://www.dvdfab.cn/video-converter/Watch-any-piece-of-video-on-Galaxy-S7.htm