A:AnswerHello, we are sorry to hear you are experiencing technical difficulties with your unit. Please reach out to our Hover-1 Support Team. We would be happy to help! You can contact us by emailing support@hover-1.com or by submitting a ticket at Hover-1.com
A:AnswerHello, this unit will work on gravel, asphalt, and concrete. We do have some all-terrain units that will work on surfaces such as mud and grass.