When enterprises or units use vehicle mounted GPS terminals, they may encounter situations where the vehicle mounted GPS terminal cannot function properly, especially when the device displays offline status in the background. If there is no professional technician to assist, the driver or administrator may need to personally troubleshoot the problem. Below are several common methods for diagnosing and handling problems:

　　When the GPS signal reception of the vehicle mounted GPS terminal is abnormal, please drive the vehicle to a relatively open position and reposition. The first positioning usually takes 2-5 minutes. If the vehicle mounted GPS terminal does not locate for a long time, please check if the installation position of the vehicle mounted GPS terminal meets the requirements. Generally, it is installed in a place without metal obstruction.

　　When the GSM signal reception of the vehicle mounted GPS terminal is abnormal, please check if the built-in SIM card is installed correctly; If the location does not have GSM signal coverage (such as in a basement), please drive the car to an area with signal coverage and confirm with the service provider or dealer whether the SIM card has been shut down. SIM cards need to be renewed annually, so don't believe in the idea of a one-time purchase and lifetime free use. A 3-year package is understandable, as there is no lifetime free use data card.

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