How to open 10 yuan traffic packet by SMS?

Hello, online 10 yuan Package 100M Traffic: Please send a short message to 10086 to activate the package with immediate effect; Please send a text message to 10086 for the package that will take effect next month, which is 0.29 yuan /M more than the package. If you don't use it next month, please cancel it at the end of this month. If you cancel the 10 yuan and 100M subscription, please send a text message to 302009 ext. 10086. The cancellation will take effect next month, and the normal fee will be charged this month. If successful, there will be a text message prompt. After closing, the remaining traffic does not enjoy the "unclear traffic" service and cannot be carried forward to next month.