How does Guangdong Foshan Unicom mobile phone card use SMS to query the remaining package of traffic?

There are different ways and codes for SMS to query traffic usage:

Mode 1:

Edit the short message "CXGPRSLL" or "CXLL" and send it to 100 10, waiting for the short message reply.

Mode 2:

Edit the number "100 10" and send it to 100 10. After the system returns to the main navigation menu of the SMS business hall, reply the corresponding menu number to 100 10, and then perform the corresponding operation.