Unblocking a number on an iPhone is the process of removing a previously blocked contact from the blocked list, allowing calls and messages from that number to be received. For instance, if a contact was accidentally blocked or if the need to communicate with them arises again, unblocking their number becomes necessary.
Unblocking contacts holds significant relevance for maintaining effective communication. It ensures that users can receive and respond to calls and messages from individuals who were previously restricted. Additionally, the ability to unblock numbers has been a key component of iPhone functionality since the introduction of the blocking feature.