China Mobile calls 10086 customer service and asks them to turn off the Monternet master switch for you. They will send you the code to turn off SMS, and you can forward it to 10086. A * * * has three articles, and all three articles should be forwarded to 10086. Another way is that they will help you turn it off. After closing, you can call customer service to ask if it is closed to ensure confirmation. In the future, there will be no SP generation fees (some are called value-added service fees).

China Unicom Tel: 10 109696 (free of charge), please ask them to block the online SMS function of Unicom for you. Then Unicom headquarters will call you within three days, and you will confirm to block it after receiving the call.

So your mobile phone won't be overcharged.