Just in case, for the sake of multi-platform local file transfers, there's a quite nice project known as LocalSend, and it should be supported for all the platforms, since there are clients for desktop (Linux, Windows, macOS), Android, and iOS, and for the general web clients, too:
- https://web.localsend.org/

host the vcard file on a web server or with a service like amazon s3. put the url to the vcard in the nfc card - this method works fine on ios and android