3 Ways To Permanently Delete Facebook Messages

If you aren’t signed into Messenger, type in your phone number, tap Continue, and enter your password.

If Messenger opens to a conversation, tap the Back button in the top-left corner of the screen first.

If you aren’t signed into Messenger, type in your phone number, tap Continue, and enter your password.

If Messenger opens to a conversation, tap the Back button in the top-left corner of the screen first.

If you aren’t logged into Facebook, enter your email address (or phone number) into the top-right corner of the screen and click Log In.