It may have happened with you that you blocked someone on Facebook or changed your mind. But worry not, the process to unblock someone on Facebook is very easy than you think. Learn here how to unblock someone on Facebook: · Go to facebook.com · Tap arrow at the top right to visit settings. · Tap blocking in the left panel · Tap unblock beside the name of person your wish to unblock Here you go, in this way you can simply unblock a person on Facebook.