a) Try another card. Make sure the card meets our specifications(Class 10 card with a maximum 128 GB). We recommend Samsung or SanDisk 64GB, Class10.

b) Put the card in the device to format it for a few times.

If the problem persists, please contact AUTO-VOX customer service team by email.It would be better if you wrote the order number(from Amazon/Ebay/Website) in your email, so that we can handle the problem much more quickly.

Check the installation location. You should stick the GPS antenna on the dashboard with it facing up to receive a strong signal.

Note: Windshield with a reflective coating may emit heat to affect the GPS reception, you should stick it in the corner of your dashboard.

GPS does not work.

Check the GPS module cable, make sure it is not loose.

Confirm the reception status. If there is no signal, please contact AUTO-VOX customer service team by email. It would be better if you wrote the order number(from Amazon/Ebay/Website) in your email, so that we can handle the problem much more quickly.

Please contact our customer service team via email and provide the following information:

a) The computer is networked;

b) The version number of the player;

c) Computer version and system information;

d) It is best to send an originally recorded video file;

It would be better if you wrote the order number(from Amazon/Ebay/Website) in your email, so that we can handle the problem much more quickly.

Check the backup camera cable, make sure
A) it is tight
B) the red wire is connected to your reverse light.
If the wiring is right, please contact AUTO-VOX customer service team by email.