I liked the modular approach of this flight control system. However, the system never took to the air. By the time I got to the point of putting it on a finished quad-core frame, the original helper had configured the firmware to require updates. Unfortunately, the laptop that was originally used to set up the system failed. It worked on Windows7, the new laptop uses Windows10. It never updated properly and I can't get it to work. The LED code instructs you to contact the retailer. Well, to say