I want to check the usage of the package. How to send a text message to check?

If you are a Unicom user, the SMS instructions for querying balance, bill and flow are as follows:

1. Write a short message' 10 1' and send it to' 100 10' to inquire about the phone bill of the current month;

2. Write a short message'102' and send it to'10010' to inquire about the available balance;

3. Write a short message' 103' and send it to' 100 10' to inquire about the bill of last month;

4. Write a short message' 104' and send it to' 100 10' to inquire about historical bills.

5. Write a short message "CXLL" or "107 1" and send it to "100 10" to inquire about the remaining traffic.