What does it mean to send 0000 to 10086?

Sending 0000 to 10086 means to check what additional services or information has been ordered on this number, including paid and free services. The 10086 system will reply to a text message to inform you of the services ordered, and you can unsubscribe and cancel these additional services by replying the serial number or content according to the prompts. In addition, you can also directly dial 10086 and call the manual desk, or use the China Mobile app to check the services opened and subscribed on your phone number, and you can apply for cancellation or unsubscription.