I thank you for helping me but unfortunately it does not work for me it is really a controller problem. In my opinion the old owner must have modified it by forcing the firmware.
thank you
Red on both the controller and the drone. only those of the controller battery are green.
Only the smart phone connects to the controller but the controller to the drone does not
no the standard phantom drone is not detected. Yet the controller model is for the standard model. Maybe they have installed a firmware of the SE model on the Controller ??I don't know how to solve