iCloud, Contacts
I am finding my iCloud contacts are not synced between devices. Some contacts have information missing.
Question marked as
As per this article https://support.apple.com/en-us/HT205754
* If you have contacts information stored On My Mac, that information will not automatically sync. In Contacts, drag a contact from On My Mac to All iCloud, or export your contacts as Vcards, then manually sync with the Finder.
Read https://support.apple.com/en-in/HT203521
The incomplete contacts in which information was not added will show as empty , like correct first and last name , mail address , mobile numbers ...
See these articles https://support.apple.com/guide/contacts/add-contacts-from-icloud-google-and-more-adrb7e5aaa2a/mac
https://support.apple.com/guide/contacts/add-people-and-companies-adrbk1080/12.0/mac/10.15