What is the flow check description of Unicom's national 76 yuan package?

"if you need to inquire about the traffic in Unicom's 4G package, you can log in to the homepage of Unicom's online business hall, and click phone bill inquiry > usage inquiry > internet traffic to inquire about the usage and remaining situation of mobile internet traffic in the current month. Due to the different policies in different provinces, the short message inquiry instructions are also different. For example, 4G users of Guangdong Unicom can send SMS "CXYL" or "TCYLMX" to 100 10 to inquire about the usage of the package. "