Can I still check the travel track if I deactivate the SIM card?

The itinerary code will not be tracked if the mobile phone card is disabled.

Currently, the itinerary query requires you to stay in a certain city for more than 4 hours and make calls on your mobile phone or use mobile data during this period before you can query the itinerary information.

If your mobile phone card is deactivated or turned off during the parking period, no signaling data will be generated, and the itinerary cannot be determined and will not be displayed. When the card is deactivated, it has no function. If it is a sleep card, the trip code will not be updated. Because it is shut down, our network signal has nothing, so the trip code is not updated. of.

The principle of full tracking of trip code:

The full name of trip code is: communication trip big data card. Its technical principle is actually to analyze "mobile phone signaling data" and usually type it. When making phone calls, sending messages, or surfing the Internet, in order to build a language path and data path between any two users in the telecommunications network.

Relevant communication base stations must carry out corresponding voice channel connection work, and send the connection results or further requirements to another related communication base station or user in the form of information.

Signaling information refers to the control instructions in the signaling system. When the user uses the mobile phone, in addition to making calls, sending messages and surfing the Internet, there are also relevant signals to inform the user. How base stations and mobile phones communicate is, to put it bluntly, an instruction used to establish temporary communication channels between terminals and maintain the normal operation of the network itself, which is equivalent to the nervous system of the information network.