Android 10: With Android 10 (One UI 2) contacts can be deleted, but are still in the trash for a few days, so deleted contacts can be restored.
Android 9: Saved contacts can be deleted directly from the Samsung device, even if they were saved in the Samsung or Google account. If a contact is deleted, it cannot be restored.
- Open the Contacts-App
- Tap and hold a desired Contact
- Tap on Delete
- Tap on Move to Recycle bin