Can Unicom send 00 SMS to check the traffic?

Unicom provides a variety of ways to query the remaining traffic. You can send a short message "CXZLL" to 100 10, or you can inquire through the internet hall and mobile APP. Take Unicom mobile APP query as an example:

Enter the mobile phone number and password, login-service-query-balance query, and you can query the remaining traffic and minutes of the mobile phone card.

Tips: The specific path is subject to the interface display.