Geschiedenis van "drone Won't take off!"

When my Syma is all paired up to to the controller and its ready to fly it won't take off. I've had a look and realized that the rotors are reversed and push the quad copter down. i have tried everything i know of such as calibrating the drone. i have no clue of how to continue , could someone please help!

Toestel:

Syma X5C

Status:

open