How do mobile phones intercept spam messages?

Taking Huawei P40 mobile phone and EMUI10.10 system as examples, the methods for intercepting spam messages by mobile phones are as follows:

1. Turn on the phone first, then find the "SMS" function of the phone and click Enter.

2. After entering the SMS interface, click the three dot icons in the upper right corner, and then select the "harassment interception" option in the pop-up menu bar.

3. After entering the harassment interception interface, click the "interception rule" option in the interface.

4. Finally, open the "SMS Interception Rules" function in the Interception Rules interface.

Taking Apple 1 1 and IOS 14.2 systems as examples, the methods of intercepting spam messages by mobile phones are as follows:

Method 1: If you don't often use the SMS function, you can turn on the "Settings" function of the mobile phone, then enter the "SMS" option, and finally turn off the "iMessage Information" function.

Method 2: If you often use the SMS function, you can turn on the "Settings" function of the mobile phone, then enter the "SMS" option, and finally turn on the "SMS filtering" function.