If using a browser-based download (like iCloud or Drive), stay on a stable Wi-Fi connection. Long videos often fail over cellular data due to connection "timeouts."
If you have iCloud enabled, visit iCloud.com on your computer, sign in, and download the video directly from the Photos section. Download IMG 7241 MOV
If you need to move the file between an iPhone and a Windows PC or Android device without a cable, use Snapdrop. It works through your local Wi-Fi network and does not require an account. Troubleshooting "Long Piece" Downloads If using a browser-based download (like iCloud or