If the person you blocked was saved in your contacts, you can unblock them directly from their profile card.
A quick tip: If you are receiving spam calls, Samsung offers a "Block unknown/private numbers" toggle at the top of the Block numbers menu. This silences any caller who hides their caller ID, saving you the trouble of manually blocking them. how to unblock blocked numbers on samsung
Select Settings , then tap on Block numbers . If the person you blocked was saved in