What information does Mobile send to inquire about the opened business?

Send 0000 to 10086 to inquire about the opened services. The specific operation method is, here, take the iPhoneXs as an example:

1. Find the information icon on the phone desktop and click Open.

2. Click the icon in the upper right corner of the information interface to start editing information.

3. The recipient fills in 10086, and the sending content is 0000. Click Send.

4. After that, you will receive a short message at 10086 to inform you of the service that has been opened.