How to inquire about the refund when Unicom's value-added service returns the mobile phone?

Log in to China Unicom APP with the mobile phone number that needs to be unsubscribed from value-added services, and click Services to unsubscribe from value-added services in other businesses. You can view it on the "value-added service unsubscribe" page. You can click "Unsubscribe" in the pop-up window, and then click "Confirm Submission" after confirming that the name of the business to be unsubscribed is correct.

China Unicom's value-added services mainly include SMS, MMS, letter from China Unicom, ringtone, super ringtone, voice mail, handheld stock market, mobile Internet access, mobile TV, mobile newspaper, mobile music, mobile mailbox, mobile phone search, instant messaging, China Unicom Li Yin, China Unicom secretary, telephone navigation, video conference, telephone conference and other value-added services.