The telephone numbers of the four major domestic operators are: 10099 (China Radio and Television), 10086 (China Mobile),10 (China Unicom) and 1000 (China Telecom).
If you need to set up traffic monitoring, you can refer to the following methods:
1. Enter iButler-Traffic Management-Click? Upper right corner setting? -Open "Show Traffic Details", and then enter I Manager-Traffic Management to view the traffic ranking of each application;
2. Enter Settings-Notification and Status Bar, and open "Display Traffic Information" or "Traffic Usage". After opening, you can slide down the outgoing notice bar at the top to view the traffic information at the bottom.
If you have more questions, you can enter vivo official website-My-Online Customer Service-Sliding Bottom-Online Customer Service-Enter Manual Customer Service and enter the consultation.