No, Facebook will not send them a notification saying "John Doe has unblocked you."
If someone tagged you in a photo or post before you blocked them, and you unblock them later... nothing happens. That tag is dead. what happens when you unblock someone on fb
We’ve all been there. In a moment of frustration, heartbreak, or boundary-setting, you pulled the trigger. You hit Block . And just like that, they vanished from your digital life. No comments, no tags, no accidental likes on old photos. No, Facebook will not send them a notification
Let’s lift the hood on Facebook’s blocking algorithm. Here is exactly what happens—technically, socially, and emotionally—when you unblock someone. First, the most critical rule that 90% of users don't know: You cannot re-block someone for 48 hours after unblocking them. and emotionally—when you unblock someone. First