How to send SMS to book traffic for Unicom card?

The contents and handling methods of China Unicom's provincial traffic package fees are different. I suggest you contact the Unicom customer service to find out how to handle the traffic package. For example, 3G domestic traffic package can be handled in the following ways: send corresponding SMS instruction to10010: (1)/0 yuan package: "KT3GLL 10/0" takes effect the following month, "LJKT3GLL 10/0" (2)20 yuan Package: "KT3GLL20" takes effect the following month, and "LJKT3GLL20" takes effect immediately; (3)30 yuan Package: "KT3GLL30" takes effect the following month, and "LJKT3GLL30" takes effect immediately.