How to open 10 yuan traffic packet by SMS of Unicom campus card?

Edit a short message with any character and send it to 100 10. 1 minute later, the system will reply to you and list the standard charges. Open monthly traffic. 5. Accept the business, and then the system will send back a short message with monthly traffic. According to the prompt, reply to the corresponding text message, and choose 5 yuan Package 30M, 10 yuan 70M, etc.