How does China Mobile send SMS to check the traffic of 10086?

China Mobile can query the traffic by editing the short message "CXLL" to 10086. The specific steps are as follows:

First, turn on the phone and find the "information" item on the desktop.

2. Click the message to enter, and enter "10086" in the recipient's address.

3. Edit and enter the short message "CXLL", and then click Send.

4. After sending the message to 10086, wait for about 2 minutes, and 10086 will reply the message, including traffic usage and remaining traffic.