- Open the Facebook for Android app and log in to your Facebook account.
- Touch the “Menu” button located under the main screen and labeled with horizontal lines and then touch “Settings.”
- Tap “Sync Contacts” under the heading “Other Settings.”
- Tap the circle next to “Sync with existing contacts” if you only want to sync information with contacts that are already in your address book. Tap the circle next to “Sync all” if you want to sync with your existing contacts and add new contacts from your Facebook friend list. Touch “OK” to save your settings.