The propellers on your drone must be oriented such that they create lift (push air down) when spinning in the directions indicated by the red arrows in the photo below. If not, swap propellers around until they are. Notice that the pair of propellers diagonally opposite are matching to each other (but not to the other diagonal pair).
Also, the motors must spin in the directions indicated by the red arrows in the photo below. If not, please see the the motor reversing instructions at: https://emaxusa2.freshdesk.com/support/solutions/articles/19000108745-motor-reversing-spins-the-wrong-direction-
