How To Remove Facebook Contacts From Iphone
Settings > Facebook > Contacts
Perhaps you've established your Facebook account in iOS, while unknowning that a contact sync would occupy your address book with lots of entries that may be undesirable. Luckily, this option is completely reversible.
Go to your "Settings" app and pick the "Facebook" entry, then disable the toggle identified "Contacts". This will eliminate all Facebook contacts from your locally stored address book. The contacts/friends themselves will stay active on Facebook, so don't stress.
If you open up the "Contacts app" on your iPhone, you should see that all of the entries formerly noted in the "All Facebook" group are entirely gone now.
Ways to conceal Facebook contacts on iPhone
Contacts > Groups
If you want to keep the additional contacts that are synced from your Facebook account to your iPhone's address book ("Contacts" app), but conceal them from the primary contact list, you can do so by adjusting your view settings.
Open the "Contacts" app and tap "Groups" at the top left of the screen. Then scroll down to "All Facebook" at the extremely bottom and uncheck the item on the list. You can check any other group to make it visible, such as your iCloud contacts or other groups you may have made it possible for on your iPhone. Tap "Done" when prepared.
The "Contacts" app will now hide the Facebook contacts in the main list view. Your other contacts need to still be visible.
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