

Important: iCloud library requires an account iCloud and iOS 8.3 or later. For example, if you take a photo on your iPhone, the picture automatically appears in your iCloud photo library and is available for you to use in your iMovie project on your iPad. You can use iCloud photo library to transfer items between iOS devices. The tasks below describe the different modes of transfer of the media in the library of pictures from your camera so that the media appears in the video browser. Video browser only displays video clips shot in iMovie or in your library. IMovie for iOS (iPhone, iPod touch): the transfer of media to your iOS device
HOW TO DOWNLOAD IMOVIE FROM IPHONE HOW TO
The resources below will explain how to download video clips so that you can edit them. You can save space on your device when you turn on the storage optimize.

ICloud library keeps all your photos and videos in their version original high resolution. And any changes made to your collection on a single device, change on other devices.

ICloud photo library automatically keep each photo and video you take in iCloud, so you can access your library from any device, anytime you want. You have iCloud library enabled with the option "optimize"? If so, the videos are stored in iCloud instead of on your device to save space. Looks like you have videos that are not stored on your iPhone that you want to edit with iMovie for iOS.
