1) Make sure you have set a CalDAV username and password and you have iOS 5.0 or above and are on an active internet connection
2) Go to your iOS “Settings->Mail,Contacts,Calendar” and scroll down to “Add Account”
3) Scroll down and click “Other” and then “Add CalDAV Account”
4) Enter the following informaion:
|Username:||(Your Facebook username)|
|Password:||(The password set in your Social Reminders settings)|
5) It will take several minutes to verify, if prompted about SSL click “Continue”
6) You may now go to the Reminders app and (optionally) delete the default “On My iPhone” Reminders list.