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How to query the itinerary of Unicom SMS query?

During the epidemic prevention and control, you need to check the travel code and health code. How to check the travel track of Unicom SMS? Let's take a look together ~

Unicom SMS query how to query the travel trajectory 1, open the SMS icon on the mobile phone, and click+to enter the SMS sending interface.

2. Send CXMYD to 100 10, and then send "CXMYD# corresponds to the last four digits of this mobile phone ID number" or "598# corresponds to the last four digits of this mobile phone ID number" to 100 10 according to the SMS reply.

This paper takes Xiaomi 12 as an example and applies it to MIUI 13 system.