How to prevent strange numbers from sending short messages instead of intercepting them?

Enter information >> harassment interception > and set interception rules.

You can also go to Mobile Manager > Harassment Interception > and set interception rules.

Click the SMS interception rule and turn on the smart spam interception switch, and the mobile phone will intelligently identify and intercept spam messages.

In the Interception Rules interface, click Update Intelligent Identification Library to set network requirements. According to this requirement, the mobile phone will update the smart identification library regularly.