If you have actually obstructed someone unintentionally or altered your mind about the block, though, it is likewise reversible. You can change your Personal privacy settings to unblock and permit someone back into your Facebook world.
How Do You Unblock People On Facebook
1. Click the down arrow beside "Account" on top right of any page on Facebook.
2. Click "Personal Privacy Preferences" from the Account menu.
3. Click the "Edit Your Lists" link under the Block Lists heading. It is at the bottom center of the page.
4. Click the "Unblock" link beside the name of the person you want to unclog. A list of individuals you've blocked is found under the Block Users area.
Tip
Uncloging somebody does not automatically put that individual back in your pal list. You need to add the newly unblocked individual as a pal and wait on them to validate the request.
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