評分: 4 / 5 顆星

I have two problems with card book
does It need VPN to sync! In Iran?
Editing note of a contact, duplicate the contact!

此意見為舊版本 (83.6) 的附加元件。 

no need of a VPN, sync is done like you access to internet...
I've not understood the other issue... do not hesitate to contact me directly here : cardbook.thunderbird(at) gmail.com. Greetings to iranian people and wish you the best for 2023 ;) !