Open Facebook and log in to your account
Go to the profile of the person you want to block
Click or tap the three dots menu
Select Block
Confirm the block action
To block someone from settings, open Settings and privacy
Go to Settings
Open Blocking
Enter the name or email of the person you want to block
Select the correct profile
Confirm Block
To block a Facebook account on the app, open the profile
Tap the three dots
Tap Block
Tap Block again to confirm
To unblock someone, go to Settings and privacy
Open Settings
Go to Blocking
Find the blocked account
Select Unblock
Confirm the change