If you still have a text conversation thread with the blocked person, you can unblock them without diving into settings.

To unblock a number on your Samsung device, you can use the Phone app's settings to remove specific numbers or unblock contacts directly through the Contacts app. Samsung phones also offer options to unblock entire categories of callers, such as unknown or private numbers.

Blocking a number prevents calls, texts, and sometimes voicemails from that contact. Unblocking is simple and can be done through several methods.