For all of you who attempted to integrated Facebook contacts and are now thinking that it was a mistake, here's how you can remove Facebook Contacts from turning up on your iPhone/iPad contacts lists.
How To Delete Facebook Contacts From Iphone
Maybe you've set up your Facebook account in iOS, while unknowning that a contact sync would occupy your address book with great deals of entries that may be undesirable. Fortunately, this choice is totally reversible.
Go to your "Settings" app and choose the "Facebook" entry, then disable the toggle identified "Contacts". This will get rid of all Facebook contacts from your locally kept address book. The contacts/friends themselves will stay active on Facebook, so don't worry.
If you open up the "Contacts app" on your iPhone, you should see that of the entries previously noted in the "All Facebook" group are completely gone now.
The best ways to conceal Facebook contacts on iPhone.
If you want to keep the extra contacts that are synced from your Facebook account to your iPhone's address book (" Contacts" app), however conceal them from the primary contact list, you can do so by adjusting your view settings.
Open up the "Contacts" app and tap "Groups" at the leading left of the screen. Then scroll down to "All Facebook" at the extremely bottom and uncheck the item on the list. You can examine any other group to make it noticeable, such as your iCloud contacts or other groups you may have allowed on your iPhone. Tap "Done" when ready.
The "Contacts" app will now conceal the Facebook contacts in the main list view. Your other contacts need to still show up.
Tip: You can handle contact groups straight on your iPhone. Check out More How To Delete Facebook Contacts From Iphone.