Why do mobile phones send short messages to China mobile operators?

Some mobile phone housekeeper apps will remind you of the usage of traffic charges, and this service not only needs the record of the mobile phone itself, but also needs the feedback of the operator to correct it in real time, so it is necessary to send and read short messages. The topic owner checks his mobile phone, and those softwares have the right to read and write short messages, so he can turn off the corresponding options according to his own situation. If you want to inquire about business problems and consumption problems yourself, you can call the operator's customer service phone to ask.