How to open the monthly SMS of Guangdong Unicom?

Eligible users can send text messages. For example, if you are a 3G user of Guangdong Unicom, you can open it in the following ways:

3 yuan SMS package, send BLDX3 to10010;

5 yuan SMS package, send BLDX5 to10010;

10 yuan SMS package, and send it to10/010;

20 yuan SMS package, send BLDX20 to 100 10. The application, change and cancellation of the package will take effect on the following month 1 day, and it will be handled several times in the same month, subject to the last application.