Why did my mobile phone suddenly receive five short messages, from the balance 15 to the arrears of 70?

1. If you are a Unicom user, if the mobile phone balance is insufficient, the monthly rent will be deducted, resulting in arrears. \x0d\2。 At present, China Unicom's deduction fee has been transparent. If you have any questions about the phone bill, you can inquire about the usage of the phone bill in the following ways: \x0d\ Method-Phone bill inquiry method: \x0d\ Log in to China Unicom APP and click "Service > Inquiry > Phone bill business inquiry" to find out the consumption of real-time phone bill and historical bill. \x0d\ Mode Er Ru needs to know the consumption details, or still has questions after checking the bill. Log in to China Unicom APP to view all kinds of details: \x0d\( 1) Call details: click "Service > Inquiry > Call Fee Business Inquiry > Call Details"; \x0d\(2) Detailed list of Internet traffic: click "Service > Query > Traffic Business Query > Detailed list of Internet traffic"; \x0d\(3) other business inquiry: click "service > inquiry > other business inquiry > SMS details/value-added business details". \x0d\ Tip: The above query path is based on the information actually displayed on the page.