The operation couldn’t be completed. (AMRestoreErrorDomain error 9 - Failed to receive message from device, might be connection problem with USB host. (Communication error, possibly USB disconnection)) [AMRestoreErrorDomain – 0x9 (9)]

Hi DLXHFAUDVGH,

Thank you for participating in the Apple Support Communities. If you are receiving error 9, here are a few steps that may be useful:

1. Restart your device to see if the issue is still there: Shut down or restart your Mac - Apple Support

2. Confirm that your device is using the most recent software to rule out the older one: Update macOS on Mac - Apple Support

3. Try the steps here to see if they help: If you see error 9, 4005, 4013, or 4014 when you restore your iPhone, iPad, or iPod touch - Apple Support

4. Contact Apple Support here if you need further support: Contact - Official Apple Support

Have a great day.