How does Huawei intercept SMS?

Hello, Huawei mobile phone wants to intercept short messages. You can use the SMS interception function of Huawei mobile phone. First, you need to open the settings of Huawei mobile phone, then click Interception Settings, select SMS in Interception Type, then click Interception Rule to add the number to Interception Rule, and finally click OK to complete Interception Settings. You can also add keywords to the "screening rules" to screen short messages containing keywords, thus screening borrowed short messages.