How does Unicom inquire about the specific deduction details?

If the details you are inquiring about refer to the bill details of Unicom number, it is suggested that you can use this number to log on to the homepage of online business hall, and click "phone bill inquiry" > "bill inquiry" > "historical bill" to inquire about the five-month historical bill details, including the monthly fixed fee, voice call fee, SMS fee, value-added service fee and other related information. If you still can't solve the problem or the above situation, you can contact the local customer service to find out.