how often happened 2) ? <--- about 1.2Km far and suddenly disconnected, my drone can fly > 2Km normally, happened 1 time (mid-August)
after which flying time does 3) occur, <-- happen at 3rd battery last week, Max Bat Temp 49.95°c (from healthdrone), outside temp = 30°c, Time 1700 - 1800
I...