Tap your Settings app to open Settings. Tap the “iCloud” tab. Tap the “iCloud Drive” tab. Swipe the iCloud Drive slider right; it should turn green.
“Auto Backup” - Choose whether automatic backups occur daily, weekly, monthly, or never. “Include Videos” - Include your chats’ videos in the backup. If this is your first time backing up your data, your backup might take several minutes to complete.
To back up WhatsApp, your Android must be synchronized with Google Drive.
“Back up to Google Drive” - Back up your chats to Google Drive. “Auto Backup” - Toggle auto-backup settings. You can choose “Daily”, “Weekly”, “Monthly”, or “Off” (the default). “Include Videos” - Swipe this option to “On” to include videos in your backup settings.
If you use data rather than wifi, you may get charged for the use.