If your video is too large, these apps can help you to shrink them.
It is important that you do not exceed a file size of 200 MB.
Fast Compress Video
Android: https://play.google.com/store/apps/details?id=com.idea.videocompress&hl=gsw&gl=US
Video Compressor
IOS: https://apps.apple.com/us/app/video-compress-shrink-video/id1163846234