^hence the way to go would be no locally stored footage. All in your private cloud.
Made some progress last night toying with the idea. There is a sync program for android to your drive account that synchronizes any folder you wish on your phone. Now to get a dashcam that uses the phone as storage. The ones I have seen do that using a local private wifi (the cam becomes an AP that your phone connects to via wifi) to do this, but that does not allow your phones mobile data to work at the same time.........
so, looking for a way around that.
Any ideas most welcome.