How to deal with arbitrary charges on Telecom Tianyi mobile phones

1. The mobile phone may be deducted every month due to some reasons, such as viruses, or accidentally clicking on some paid services

2. You can send 0000 to 10000, or dial 10000 to see what services are booked on the mobile phone. If there are some extra paid services, you can call Telecom manual service or go to the business hall to ask the waiter to cancel these services

3. If If you have not booked a business, your phone may be infected with a virus

4. If your phone is installed with malicious billing software, some of these malicious software will charge fees online, and some will automatically send messages to unfamiliar numbers. , and then automatically delete it so that it cannot be detected

5. Some malware is so stubborn that it will be installed automatically even if it is uninstalled

6. The solution is to turn the phone into a card. Back up your data and then format it. Because malware will be hidden in folders starting with sin and bin, you can't find it at all, and you can't find it even with anti-virus software, so it is recommended to format it

7. If you are still charged, it is best to restore the factory settings, because some viruses are very powerful and will be hidden in the phone’s memory