Use AirDrop for nearby Apple devices
Upload to iCloud Drive and share the link
Use Google Drive, Dropbox, or OneDrive and share the file link
Compress the video before sending
Trim the video into shorter clips
Send through Messages if the file size is small enough
Use Mail Drop in the Mail app
Share via WhatsApp, Telegram, or similar apps
Transfer with a USB cable to a computer first
Use a file-sharing app that supports large videos
Send the video from the Photos app using the Share button
Export the video at a lower resolution
Turn on iCloud Photos and share the original from the cloud