Huawei's mobile phone secretly sends text messages to 80589558.

The mobile phone traffic management function supports "automatic calibration at regular intervals", and sends a free short message to the operator regularly every day to check the traffic. The setting method is: click "Mobile Manager >"; You can turn off traffic management > package settings > periodic automatic calibration.

Some third-party applications, such as Baidu Mobile Guardian, automatically send text messages to operators every day to get the current traffic usage, and can enter the mobile phone housekeeper >; Permission management > in the permission to send SMS, view the list of applications with SMS sending behavior, and "ban" the SMS permission of third-party applications.