Instructions

Tap > “Name Card Folder” in the top left corner, scan the name card to
identify and save as a new contact.
Manage Contacts
Tap > “Settings”
Contacts to display. You can choose contacts that you want to display, or you
select contacts with numbers to display.
Merge duplicate contacts. Tap "Merge Duplicate Contacts", and then the
phone will automatically merge contacts with the same name.
Manage contacts. You can manage contacts without name or number or
quickly remove invalid numbers.