Did you block someone via text message? You can unblock them directly from the Messages settings.
Tap (the three vertical dots) in the top right corner. Select Settings . Tap Block numbers to see your list of blocked contacts. how to unblock numbers samsung
If you’re still struggling, a final nuclear option is to clear the Phone app’s cache: (this doesn’t delete your block list, but can fix UI glitches where the list appears empty). Did you block someone via text message