how to transfer voice memos from iPhone 7 to iPhone 8

This only works if you have the same iCloud for both devices.

1. Go to settings
2. Tap your name/first row in settings
3. Tap iCloud
4. scroll till you find voice memos
5. make sure it is enabled.
6. if voice memos are enabled then they should be automatically transferred to your phone 8

If this solved you problem please check solved. Thank You