Open "Contacts" app : - tap on , - tap on "Settings", - tap on "Export", - if needed, Select account then Export (to .vcf file), - tap on , - select "SD card", - tap on "SAVE".
NB :The contacts list is fully backed up. It is not possible to back up a contact separetely. At the insertion of the SD card, do not format as internal storage in order to be able to access files and contacts saved.Product(s) concerned by this article: