Would you like to explain "nop"?Could you maybe try Google translate?
I think he means he doesn't want to try in French where he might be able to effectively communicate with someone and solve his problem but would rather keep posting incoherent nonsense here and never get it working.
Is there any way to change the orientation of a quadcopter? Only way I can think of is a tricky aerial manoeuvre where you lift one side, lift a side next to that one, then drop the copter back down to horizontal.
I thought they used gyroscopic precession, biasing the speed of the clockwise and anticlockwise motors.