The person is now unblocked. They can see your profile again, and you can search for them to send a new friend request. Method 2: Unblocking via a Web Browser (Desktop/Laptop) If you prefer using Facebook on a computer (or you’re at work trying to fix a social mistake), here’s how:
Scroll all the way down and tap Settings & Privacy . Then tap Settings . unblock a person on facebook
In the left-hand sidebar, click Blocking . The person is now unblocked
Click Confirm on the pop-up window.
Scroll down to the Audience and Visibility section. Tap Blocking . unblock a person on facebook
Tap your profile picture or the three horizontal lines (menu) in the top right corner (bottom right on iPhone).