Why does my mobile phone often receive spam messages from your value-added services?

According to the information you provided, it is not excluded that the value-added services you handle are caused by SMS reminder services. For details, it is suggested to contact the Unicom customer service to which the number belongs.

If you receive spam messages, in order to purify the consumption environment, if you receive spam messages or malicious calls from a certain number, you can report them directly to the reporting center at telephone number 100 10999. If you report spam messages, you can send them to 100 10999 in the form of "report number * spam message content" for free.