I have a Promark vr drone and the camera was upside down.I fixed by pushing rev and going back to the option.where it says play on.the app and it worked in 5 attemps .for anyone who has problems give it a try.

I have a Promark vr drone and the camera was upside down.I fixed by pushing rev and going back to the option.where it says play on.the app and it worked in 5 attemps .for anyone who has problems give it a try