HI, I recently bought "JHEMCU F722 AIO 40A 30X30 FC FOR DJI". However, DJI goggles is not working properly, laggy and no OSD. Also, DJI's display data always shows flight clock 0'00 and drone's voltage 0v. Flight control is fine.
Base drone is iFlight titan DC2 AIO with Frsky, and simply...