Unblocking a number on Android involves removing a restriction that prevents incoming calls or messages from a specific phone number. For instance, if you’ve accidentally blocked a friend’s number, you won’t receive their calls or texts until you unblock it.
Unblocking a number is essential for restoring communication with blocked contacts. It allows you to receive important calls or messages that you may have missed while the number was blocked. Historically, the ability to block and unblock numbers has become increasingly important as mobile phone usage has become more prevalent.