The three major operators can check the personal track certificate: just send a text message.

[PConline Information] With the arrival of the peak of enterprises' return to work, in order to help prevent and control the epidemic, three major operators, China Telecom, China Mobile and China Unicom, have launched public services to inquire about roaming information of mobile phone users. You can check the trajectory of your mobile phone in the last month by sending a short message to help prove whether you left the city or came back from a different place in the last month. This service is free of charge.

Query method:

I. Telecom users

Edit the last four digits of the short message CXMYD# ID number as 1000 1, and authorize reply Y to realize "roaming place query", which can query the information of mobile phone number in the past 15 days without providing accurate location, stay time and so on.

Second, mobile users.

Write CXMYD, send it to 10086, and then enter the last four digits of your ID card according to the reply information, and you can query the provinces and cities (no cities) you have been to in the last month.

Third, Unicom users.

Send the short message "4 digits after CXMYD# account opening certificate" to 100 10. After system verification, the roaming destination information of the past 15 days will be prompted.

Roaming itinerary information inquiry service can help government epidemic prevention departments to identify whether the floating population passes through key areas of prevention and control areas such as high-speed rail, airports and highways; Help enterprises and institutions identify whether employees pass through key areas when they resume production; Help hospitals identify whether patients pass through key areas.

Operator's reminder: this service is a public service, and the inquiry information is for reference only, which does not rule out the possibility of border roaming and is not used as the final judgment basis.