Trouble with contacts on server and contacts synchronization -- ongoing checks and pains -- vcards 2.1 not recognized on import

[tflidd]

I found a script, not just from somewhere but with a repo, so improvements can be posted:

Import vcard 2.1 to address book

In some cases you might have a contact list that only can be exported in the vcard 2.1 version (*.vcf files). There are a lot of old programs, in my case it was an old android device. I just noticed that Nextcloud is not able to import any of the contacts (no specific error was shown: Show more details about the failing reason of an import · Issue #990 · nextcloud/contacts · GitHub), and after some investigation, I found out that you need at least version 3.0. There is an open feature request t…