How do I make sure the SIM card in the hot gps car tracker is down?

A: Because the location of the hot gps car tracker requires the transmission channel of the SIM to report the information, once the SIM card is stopped, it will not be able to locate the location. So how do you ensure that the SIM card in the hot gps car tracker will not stop due to overpayment?

1. As mentioned above, the most direct thing is to check whether the SIM card is overdue when the device cannot be located or the platform displays an offline state.

2, in some guaranteed merchants to buy SIM data card, so as to avoid those unscrupulous merchants to steal fees.

hot gps car tracker https://www.eelinktracker.com/Magnetic-GPS-Tracker/