Let's start by looking at the relationship between the two. Mobile data and WiFi are signals in different frequency bands, and the two do not conflict or interfere with each other. If both mobile data and WiFi are enabled, the phone will preferentially use the WiFi network.
< p >
2. Why do I still owe money for WiFi
Since the phone will preferentially use WiFi, so why the overtraffic? In fact, this is mainly because some mobile phones will automatically switch to mobile data when the WiFi network is unstable. If you are watching a movie or TV series, the WiFi is changed to mobile data without your knowledge, it is easy to cause excessive traffic, and the friend is also the reason for arrearage.
< p >
3. What can be done to solve this problem
Android phones: Some phones have network switching prompts, but we need to manually turn them on. Here, take Mi 9 as an example, first open the phone 【 Settings 】-【WLAN】-【 Advanced Settings 】-【WLAN Assistant 】- open 【 Enable prompt 】.
< p >
IPhone: In contrast to Android phones, the WiFi assistant needs to be turned off. 【 Settings 】-【 Cellular Data 】- Turn off 【 WLAN Assistant 】.
< p >
Of course, there is also a simple and troublesome method, that is, every time you connect to WiFi, manually turn off the mobile data, so that you can completely avoid the situation of WiFi and running traffic.
Hello! About the wifi you said soon arrearage situation, first look at what wifi you are connected to, such as the WIFI in public places requires your mobile phone number and verification code login can be used, such as telecommunications and mobile because these real-name system Internet access is regulated by the state, you can not connect to the network that the arrearage is actually not so, If you want to connect to the wifi, the phone will show you when you open the web page.
Sometimes the wifi signal is not good, so the mobile phone data will be used. In this case, if a lot of it is recommended to turn off the mobile phone traffic, only use wifi can go to the background to see what software is running traffic, is not in the unlinked wifi steal to run
Now WiFi is generally the direct key to their mobile phone number, WiFi if the power failure in this case, the high probability is because the package is not paid in time.