My Facebook and messenger isn’t working in my phone please fix that

Facebook is not an Apple product. Contact the app developer here --> App Support or Facebook Help Center | Facebook

Messenger is not an Apple product. Contact the app developer here --> App Support or Messenger Help Center | Facebook

I do not know who are you addressing this to?

Apple Support Community Forum

This is Apple Support Community forum, for a user to user interaction for information & idea sharing between users, if need be, extend support on technical knowhow in handling Apple products from a more experienced fellow user, This is not the right forum to discuss with Apple Inc.