How to check the remaining data of 40 with Dawang Card?

Based on the information you provided, you can find out by querying your total traffic. You can find out more by entering the menu bar of Wangka Assistant WeChat official account - Service - Query and Processing. You can also download the China Unicom Mobile Business Hall client to keep abreast of traffic consumption.

You can check the mobile phone traffic through the following channels:

〖1〗Log in to the online business hall/01HBZ ?Click?Call bill inquiry?＞?Usage inquiry?＞?Online inquiry? ;

〖2〗After logging in to the mobile business hall client, click on the homepage?Service?＞?Query?＞?Traffic business query?＞?Internet traffic?;

〖3〗 3G and 4G mobile phone users can send SMS CXLL or 1071 to 10010 to check the data usage.

Warm reminder: In addition to the above methods, you can also call the local 10010 hotline or go directly to the local business office to check the mobile phone traffic.