How was Huawei p30 blacklisted?

System: EMUI 1 1.0.0

1. First, turn on the SMS function on the desktop.

2. After entering the short message function, browse the information, find the harassing short message we want to blacken, and click Open to enter the short message editing interface.

3. Then we need to click on the three ellipses in the upper right corner to do more operations.

4. Click Select Add Blacklist function, and then select OK.

5. After confirmation, the contact will be blacklisted and will not be harassed, but the message is only intercepted. We can still set whether we can see the message in the interception record.