Unicom suddenly owes 600 yuan a short message, how to complain?

If you encounter any problems or questions, please don't worry. At present, China Unicom's deduction fee has been transparent. If you have any questions about the phone bill, you can log in to the online business hall /02oec and click "phone bill inquiry" > "bill inquiry"/real-time phone bill on the home page to make your consumption clear at a glance.

If you still have questions after the inquiry, you can refer to the detailed list for specific usage;

If the above problems are not solved, you can contact the local manual customer service or go to the local business hall to verify the feedback.