Tap your profile picture in the top-left corner. This opens the Settings & Privacy menu.
Open the Messenger app on your iPhone.
Confirm by tapping “Unblock” again. The person will immediately be able to message you, but past messages will not reappear unless you both saved them. Method 2: Unblock from an Existing Chat (If You Can Find It) If you still have an old, blocked chat thread, this is even quicker. how to unblock on messenger iphone
Find the person you want to unblock. Use the search bar if the list is long. Tap your profile picture in the top-left corner