How to check the itinerary in three weeks?

You can send a text message to check the itinerary.

China Mobile, China Unicom and China Telecom now also support users' 30-day travel trajectory search. In different operations, the content of sending short messages is different.

Authentication method for telecom mobile phone users: edit the last four digits of the short message CXMYD# ID number as 1000 1, and then authorize a reply Y to query roaming places, which can query the route information of mobile phone numbers in recent 30 days.

Unicom's mobile phone user authentication method: after the mobile phone sends the CXMYD# ID card, the four digits go to 100 10 to inquire about the information of roaming places in the country in recent 30 days, which is convenient for rework and auxiliary investigation.

Proof method for mobile users: write CXMYD, send it to 10086, and then enter the last four digits of the ID card according to the reply message, so that you can query the provinces and cities you have visited in the last month.