It will 100 percent flip when the props were not correctly installeds. To be sure, do not use the AUTOMATIC TAKEOFF ... use manual method and let the props swirl for few seconds and observe and checks the balance of the drone. It will flip and fly out of control when the Drone is not balance...
Hello, I am living here in Zürich, Switzerland, as long as you follows rules here I think you no worries. PLEASE TAKE IT AS YOUR HAND CARRY BAG. WELCOME TO THE LAND OF CHEESE AND CHOCOLATES.