I cant connect properly to the phantom with the go app on my iPhone. I can see an image and the RC will operate the gimbal down, but I cant start the props and I have a gimbal disconnected error and an aircraft battery N/A error. Cant calibrate anything. I have a green light on the fromt of the gimbal, but the back lights are flashing yellow and red. Tried relaoading the go app and downloading the latest firmware. HELP???!!!

What is the  drone model?  Have you tried other mobile devices? If yes, how is it going?  Looks like you need to calibrate the compass, since the back lights are flashing yellow and red.  Anyway , you should connect your phone to the RC properly first.

Thanks for your reply. Phantom 3 Standard. Did you mean physically connect the two?