My domestic mobile phone sends text messages automatically. I don't know what happened.

This is a built-in function. It automatically sends SMS code instead of SMS, and automatically deducts your expenses, whether it is fake or not. To tell the truth, my new mobile phone has been puzzled for a long time and is also anxious 10086. There is only one way to teach you: call the service desk to cancel your Monternet main exchange. "Does not affect MMS and Internet access" so that even if it is sent automatically, there will be no charge.