ByGB Blog Official 2018-07-03 1388
A: Try as follows: Press the power button when connecting to the power supply, long press the power button and then press the "reset" button.
A: Turn the volume up; turn off the FM function, you cannot hear GPS voice when FM function is on.
A: Access the settings to check if the navigation path is right, make sure the map file is store in the built-in memory card.
A: Check the USB settings of GP navigator and the USB cable itself or try a new cable.
A: Download the corresponding upgrade pack according to the pre-warning data.
A: Buy a new SD card or delete the old version map.
A: Make sure you are not in the room, tunnel or under tall building and shelter; Access into the GPS information interface, if you still can't find the signal, reset the GPS information.
A: Press the reset button and restart the system.
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