Why do you always send some harassing messages to my mobile phone?

Harassment messages are sent by the machine itself, with the purpose of sending advertisements and fraudulent information. The shielding method is as follows:

1. First, we open the message and find the harassing message to block. ?

We can see the short message here, and click enter. ?

3. Click the arrow pointing to the location to open the list of three points. ?

4. Then we can see the button to block harassing messages, and click Block. ?

Here, we just need to choose "OK" on the right.