When you unblock someone, that person will be able to see your posts on Facebook that you share with the public. The person won’t automatically become your friend on Facebook.
If you want to become friends with a person who you’ve unblocked, you’ll need to send them a friend request.
How To Unblock Friends On Facebook Android App
To unblock someone using Android App:
- Tap on the three horizontal icon
- Scroll to the bottom and tap Account Settings > Blocking
- To unblock someone, tap Unblock next to their name.