1. The GPS function is not enabled on the device, press the middle button twice of joystick to enter the menu system - GPS option to enable the function;<br>2. Indoors or iron sheds and other environments will interfere with the reception of GPS signals, resulting in the inability to obtain GPS coordinate information, so please try to open the GPS coordinate search function in the wild or wide open areas;<br>3. The GPS function is disabled by default when our device is shipped. If this function is not used for a long time, after it is turned on in the wild, it will take about 20 minutes for the device to obtain GPS coordinate information.