Whatever the reason, Facebook buries this setting deep in the menu to prevent accidental unblocks or harassment. But don’t worry—I’ll walk you through every method, whether you’re on a phone, tablet, or computer. Important Note Before You Start: When you unblock someone, Facebook will not automatically re-friend them. You will have to send a new friend request, and they will have to accept it. Also, you cannot block and unblock someone repeatedly in a short period (Facebook imposes a 48-hour cool-down period). Method 1: Unblocking via the Facebook App (iOS & Android) This is the most common method, as over 80% of Facebook users access the platform via mobile.
In the left-hand sidebar, click Blocking . unblock a person on facebook
Open the Facebook app on your iPhone or Android device. Whatever the reason, Facebook buries this setting deep
Click your profile picture in the top right corner. Select Settings & privacy , then click Settings . You will have to send a new friend
Go to facebook.com and log in to your account.
Scroll all the way down and tap Settings & Privacy . Then tap Settings .