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.
Open Messenger and go to your Chats list. how to unblock on messenger iphone
In the profile screen, tap “Unblock” (it may be red text at the bottom). Confirm by tapping “Unblock” again
Open the Messenger app on your iPhone.
Tap their name, then tap “Unblock” at the bottom of the screen. blocked chat thread
Scroll down and tap “Privacy & Safety.”