How does Unicom mobile phone card send text messages to open traffic?

The contents and handling methods of China Unicom's provincial traffic package fees are different. It is suggested that you can contact the telephone number 100 10 for advice on how to handle traffic packets. For example, Shanghai 3G prepaid and post-paid users can directly send corresponding SMS instructions to 100 10 to apply for 3G domestic traffic package: (1) 10 yuan package: "KT3GLL 10/0" takes effect the following month, "LJKT3GLL 10" (2)20 yuan Package: "KT3GLL20" takes effect the following month, and "LJKT3GLL20" takes effect immediately; (3)30 yuan Package: "KT3GLL30" takes effect the next month, and "LJKT3GLL30" takes effect immediately;