Are specific types of images and videos the only files that can be copied to the Camera Roll? Category : Setup / Operation Camera Roll only supports the file types listed below. If you want to view other file types that are not supported by Camera Roll, you may copy the file(s) to in-App Storage. Video:http://www.apple.com/tw/iphone/compare/ Photo: Is the answer helpful? Related Why does my device show ''Acceessary initialization failed'' after I insert my memory card into the OTG card reader? How do I manage/read the files stored in my device when the OTG card reader connects to my device? Why it is not recommended to remove the product casing or disassemble the product? Technical Support If the answer can't help you, you can contact the Tech Support Department Get Started