If you’ve blocked someone specifically from texting, or you want to ensure both calls and texts are unblocked, check the Messages app.

In addition to manual unblocking, Samsung devices offer features to automatically block spam and anonymous callers. These settings can be found within the same "Block numbers" menu by toggling the switch for "Block calls from unknown numbers" or enabling "Caller ID and spam protection." These tools provide a comprehensive approach to managing mobile communication and ensuring a streamlined user experience.

If the person you wish to unblock is saved in your address book, you can also manage their status directly through the Contacts app: