How does Unicom query traffic through SMS?

Check the mobile phone traffic through the following channels: 1. Log in to Unicom's online business hall through the mobile phone number and service password, and click "phone bill inquiry" > "usage inquiry" > "online inquiry"; 2. After logging in to the Unicom mobile phone business hall client through the mobile phone number and service password, click Service > Query > Traffic Query > Internet Traffic on the home page; 3.3G and 4G mobile phone users send short messages CXLL or 107 1 to 100 10 to inquire about traffic usage. In addition to the above methods, you can also call the local hotline 100 10 or go directly to the local business hall to check the mobile phone traffic.