There are plenty of reasons where you might want or need to block contacts on WhatsApp. Everything from stalkers, online abuse, cyber bullying, obscene and unwanted messages.

When you block a contact, you won’t be able to send or receive messages from them, you won’t be able to make or receive calls from them and even if you unblock them, you won’t see any messages sent to you whilst they were blocked.

iOS & Android: Chats > Specific chat > Tap on contact subject at the top > Scroll down to the bottom > Block Contact