Here’s a short, clear answer for unblocking messages on Facebook, followed by a bonus story about why someone might do it. Unblocking messages is really about unblocking the person —because when you block someone, their messages disappear and they can’t contact you. Once you unblock them, old messages may reappear, but messages sent while blocked are gone forever.
She tapped .
The message sent. A minute later, three dots appeared. how do you unblock messages on facebook