How do I block or unblock a contact?

Blocking contacts will prevent messages they send from reaching you and prevent them from seeing some of your information. You can read this article to see what blocking does exactly.

To block contacts

  1. On WhatsApp's main screen go to Options > Settings > General > Privacy > Blocked.
  2. Click on + or Options > Add contact and choose the contact you wish to block.
  3. Click Back (or the arrow sign) and select Yes to save the changes.

To block a number that is not saved on your phone

  1. Open the chat window with the unknown contact.
  2. Go to Options > Block.

To unblock contacts

  1. On WhatsApp's main screen go to Options > Settings > General > Privacy > Blocked.
  2. Select the contact you wish to unblock.
  3. On touch screen phones: Press Yes when prompted to remove contact.
    On physical keyboard phones: Click Options > Remove > Yes.
  4. Press Back and press Yes to save the changes.

Alternatively, you can send a message to the contact you blocked, and you will be prompted with a message to unblock that contact.

Want to delete someone from your Favorites or contacts list? Read this.

Learn how to block or unblock a contact on: Android | iPhone | BlackBerry | Nokia S40 | Windows Phone | BlackBerry 10.

Cheers,
WhatsApp Support Team