How to Unblock Your blocked Facebook friends
To unblock someone on Facebook, do the following;
On A Facebook Application
1. Tap on the menu button on the top of your Facebook page
2. You’ll need to navigate down to Account Settings
3. Tap on “Blocking” to show you a list of your blocked friends
4. On the extended right of the name of the person you want to unblock and tap on “Unblock“
5. On the screen that pops up, you will be asked if you are sure you want to unblock the person, tap on “Unblock.” See: How To Check My Blocked List on Facebook
How to Unblock My blocked Facebook friends On A Browser
1. Click on in the top right of your Facebook page
2. Click on “Privacy Shortcuts“
3. Click on “See more privacy settings“
4. Click Blocking in the left column of the new page that appears
5. Click on “View All Blocked Users“
6. Click on “Unblock” next to the name of the person you want to unblock. See: How to report a problem with Facebook | Step by step
7. On the pop-up screen, you will be asked if you want to unblock the person, click on “Confirm” at the bottom of the pop-up screen to unblock that Facebook friend.
Also Read: How to Voice Call Somebody or Group of People in Messenger