Who needs CFixer
You are the lucky owner of the DJI quadcopter
DJI Spark, Mavic Pro, Phantom 2, 3, 4 series, Inspire 1 and 2, DJI Naza-M, A2, A3 controllers
From open area to Power lines and metal constructions
Landing the Copter and use CFixer. Then make Calibration and fly again
Inability to fly a Drone in a straight line?
Use CFixer as often as you need. You may use it every day or every flight.