I have a really slow maximum upload speed of 1mbps at my home and want to keep my sub stream to the minimum quality and bit rates that can handle 1mbps so I can view them on my phone(laggy and choppy I know) . I understand when I access my xxxlorexddns.net and login it uses my sub stream. When I use the app to view a smart motion event (face, vehicle or person detection) it uses my main stream because I can barely play it and it takes about 2 mins to play a 10 second video with constant freezing. If I change my main stream to low bit rate and low quality will my cameras still record at 4k with the highest quality for play back and live view locally when I'm viewing it directly from my nvr?