Why do I have to pay for texting for a month? (mobile phone)

The monthly use of SMS is limited to point-to-point SMS, and you can understand the SMS of a single mobile phone. This short message is used to use value-added services, such as entertainment, games, short message service, MMS, WAP, CRBT, ringtone download, location and so on. They are all charged separately and will not be deducted from the monthly package. Monternet also has an information service fee for receiving short messages. The solution is to call the customer service hotline and ask to close Monternet's main switch service, so there will be no information fee in the future!