You wouldn't be trying to sell something on the boards would you... there are rules. It's easy enough to re copy back the overall.nds file no sweat. You didn't actually provide the answer to the original poster but gave them a link to the "latest" files that would only work if the unit was married up to the 1430 November 2019 release. Highly unlikely that it would be if it's second hand car. It falls into the category of lost and stolen cards if the unit once worked and then follow that... it free.