How do I block/unblock a contact?

You can prevent a contact from sending messages to you by adding them to your list of phone number blocked. To learn more about what will happen on Your block contacts, see this article about blocking contacts in WhatsApp.

On the iPhone, there are two ways to block contact:

1. Use the block button that appears when you receive a message from someone who is not saved on your mobile phone's Contact Book:
   
2. Open Account   WhatsApp > Settings,>  Privacy  > Blocked, then tap on the Add button to add a New contact from your Phone Book Contacts to your list of blocked.
   
3. To unblock a contact, open the Blocked list by following the steps above, slide to the left on contacts who want to open blokirnya, and then tap Open Block

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