How can I intercept short messages from strange numbers?

Taking Huawei P40 mobile phone and EMUI 10 system as examples, the method of intercepting strange short messages is set up:

1. First, turn on the phone, and click the "SMS" function in the phone to 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.

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

4. After entering the Interception Rules interface, select "SMS Interception Rules" in the interface and turn on its function.

Note: Different models and different systems may operate in different ways. Please know the function of the mobile phone in detail before operation.

Taking iPhone 1 1 and IOS 13 systems as examples, the blocking methods of unfamiliar short messages are set:

1. If you don't usually use the SMS function, turn on the "Settings" of your mobile phone. Then enter the "SMS" option, and finally turn off the "iMessage Information" function.

2. If you need to use the SMS function at ordinary times, you can turn on the SMS filtering function in the SMS option.

Note: Different models and different systems may operate in different ways. Please know the function of the mobile phone in detail before operation.