How to set one of Huawei's mobile phone dual cards to intercept all strangers?

First, we turn on our Huawei mobile phone, and then we click the dial button in the lower left corner of the mobile phone desktop;

Then we click the Settings button in the lower right corner;

In the pop-up interface, we click SAO Ran to intercept;

Then we click the Settings button in the upper right corner;

In the pop-up interface, we click the interception rule;

In the pop-up interface, we will intercept all strangers' buttons and slide to the right;

Turn on the switch to intercept all strangers, and the effect is as shown in the figure, so that all strangers are intercepted, and then we won't receive calls or text messages from strangers.