We've heard of several issues and concerns regarding the Apple iPhone 6 Plus (#Apple #iPhone6Plus) audio that is not working for some. The iPhone 6S and 6S Plus are both capable of recording 4K high-definition video, though you wouldn't know it just by launching the camera. That's why at our app video agency we still use QuickTime to record iPhone can do with QuickTime player ( x with an iPhone 6 Plus for example). The Photos app lets you change the length of your video or slow it down directly from your iPhone, iPad, iPod touch, or Mac. This tool works very fine for downloading videos on iPhone. 6. Video Downloader Super Premium ++. Video Downloader Super Premium ++ is a very accurate. Learn how to make an iPhone video in these easy steps. Marketing | 6 min read . What are your tips for filming videos on the iPhone?.