To block a WeChat friend:

1. Start in Contacts tap

2. Select the friend to be blocked and tap into his/her profile

3. Tap the "..." icon in the top right corner of the Profile page, then select Block.

Note:

1. Add your friend to the blocked list, then you will not receive any messages of his/her. While they try to send a message to you, the system will inform them with the message "The message is successfully sent but rejected by the receiver.

2. You can view and unblock your friends via Me > Settings > Privacy > Blocked List > Select the friend to be unblocked and tap into his/her profile > tap the "..." icon in the top right corner of the Profile page > select Unblock.