"What version code are you using?
Have you done the full setup, including selecting the right frame type (x or +)?
Have you done the CLI Motor Test to check all motor connections and directions?
Please make sure…"
"I see you have 880Kv motors and long arms on an ArduCopter frame. What kind of props are you using? If you have then, I would recommend using the standard DIYDrone 12x45 or 10x45 props, at least to start with.
I do not have a quad like…"