Why aren't sent and read messages appearing on my facebook?

[AC Question]

When I go under Messages on left side of FB screen, no messages that I have sent and the check mark indicating they have been read appear ... nothing. Please advise, and thank you.

 

[B. Diddy]

Welcome to Android Central! Are you using Facebook Messenger? Do you have the separate app installed? You have to install FB Messenger in order to use that function on your phone.