How to send short messages to inquire about the services opened by Unicom?

Inquiry method for value-added services with opened numbers: 1. Log in to the online business hall/homepage, and click the phone bill query >; Other queries > business processing records; 2. Log in to the mobile phone business hall client, and click Service > Query > Usage Query > Business Acceptance Record; 3. The editable short message "YDYWCX" is sent to 100 10, and the corresponding code is replied according to the short message menu prompt; In addition to the above methods, you can also consult the local manual customer service or business hall for inquiries.