How to download Videos
How to download a video from Google Drive to your iPhone
1. Open the Google Drive app on your iPhone.
2. Locate the video to be downloaded, either by typing in its name or by tapping on the words "Search Drive" and then selecting "Videos" from the menu that appears and scrolling through.
3. Tap on the three dots to the right of the video to be downloaded.
4. Scroll down on the menu and select "Send a copy."
5. Tap "Save Video," and the file will be downloaded and added to your iPhone video library.
Open the Photos app and you will see that the video is now in your media library.