The reason why the trip data is not available is because of the recent surge in the number of queries on the card and the increasing pressure on the system service, which is being optimized by the service provider to ensure stable operation.

When using the web version of TripCard, WeChat mini program or APP, if you encounter network error or other service instability: send SMS CXMYD to your carrier (Telecom 10001/Mobile 10086/Unicom 10010) to make an inquiry. When you encounter this situation, you can try to make more calls.

Or turn off the Wi-Fi connection to use the 4G traffic for a little while, and you will be able to check the data the next day without any problems. The earliest and latest call logs need to span more than 4 hours in a day to fulfill the requirement and show the trip. The same principle applies to using traffic.

The China Academy of Information and Communications Technology (AICT), in conjunction with China Telecom, China Mobile, China Unicom, three basic telecommunications enterprises to use the cell phone "signaling data", through the user's cell phone in the location of the base station to obtain, for the country's 1.6 billion cell phone users to provide free query services, cell phone users can through the service, to query my previous 14 days to visit the data. The service allows cell phone users to inquire about all the cities and towns they have visited in the previous 14 days.

To display a trip, make 2 calls in the same day, preferably more than one minute each, and more than 4 hours between the 2 calls, and both need to be finished before 8 o'clock in the evening.

The above reference? People's Daily Online - Ministry of Industry and Information Technology "communications big data trip card" service on the national integration of government services