How to import SIM contacts to my Apple iPhone 6
If your contacts were previously exported to the SIM card, then they can be imported to the phonebook.
1. Touch Settings.
2. Scroll to and touch Mail, Contacts, Calendars.
3. Scroll to and touch Import SIM Contacts.
4. Select the email account to which you'd like to import your contacts.
5. The SIM contacts are imported.