Why do mobile phones automatically send text messages to check traffic every day? What happened?

This is the function of mobile phone, and text messages are sent every day.

The shutdown steps are as follows:

The next cell phone housekeeper.

Turn on the mobile phone security software.

Open the network assistant

Upper right corner setting

Click to correct the traffic data.

At the bottom, a function "Auto Correct" is turned off.

This will not send traffic usage every day.