9 13943 and others often send short messages, and some often have unknown charges. What should I do if I accidentally return it?

Unicom should be responsible. He is not qualified to audit Sp normally, and the tariff of Sp is not clear. And information about this money set. Although some are not easy to distinguish, as long as you don't believe that pies will fall from the sky, you won't be deceived! The more traps there are, the more hidden they are. People are cheated every day. What you are trapped in is just a drop in the ocean. It is impossible to rely solely on China Unicom or judicial supervision. Only users can identify it, and users are not easily trapped. In addition, the efforts of the regulatory authorities can make our users' environment better. It is impossible to completely destroy them! Your report below may solve this problem.

I am not speaking on behalf of Unicom or the judicial department, but from the perspective of consumers.