1, dial 10086, and inquire through manual service.
2. Send the SMS command "CXYE" to 10086 to inquire about the traffic usage of the mobile card.
3. Log in to China Mobile APP or official website, log in with your mobile phone number, and find the function entries such as "Call and Network Record" and "Data Statistics" in "My" and "Package Balance" or similar options to view the corresponding contents.