Please remove the battery from the battery compartment for about 1 minute, and then re-load the battery and power on to make GPS fixed again. Or you can open the rubber cover at the bottom of the device and find a reset button next to the USB jack. Press the reset button through the paper clip to perform the hardware reset (forced shutdown).
**Please note that the forced shutdown might result in the loss of the recorded data. Please operate it carefully.
Please remove the battery from the battery compartment for about 1 minute, and then re-load the battery and power on to make GPS fixed again. Or you can open the rubber cover at the bottom of the device and find a reset button next to the USB jack. Press the reset button through the paper clip to perform the hardware reset (forced shutdown).
**Please note that the forced shutdown might result in the loss of the recorded data. Please operate it carefully.