How does China Unicom inquire about the monthly SMS service?

Unicom 3G card can query the content of mobile phone package and the remaining phone bill in the following three ways:

Call 100 1001Unicom's telephone bill inquiry hotline, or call Unicom's customer service hotline10010 for inquiry.

Log in to Unicom's online business hall or mobile phone business hall with a computer or mobile phone, enter the service password, and click My Package to query.

You can send a message CXYE to 100 10 or100/0000 (where 100 10000 is SMS customer service, and the service time is from 9: 00 to 2/kloc-0.