| Feature | Result after unblocking | | :--- | :--- | | | Old messages sent during the block period will not be delivered retroactively. The contact never saw them. | | New messages | Both parties can send and receive new messages normally. | | Last seen & online | The unblocked contact can now see your "last seen" and "online" status (provided your privacy settings allow it for everyone or your contacts). | | Group chats | If you are both in a common group, you will see each other’s messages immediately without needing to unblock. | | Chat history | The previous chat history (before blocking) reappears. It was never deleted—only hidden. |
There are two ways to do this on Android. how to unblock a contact whatsapp