Welcome to the community o/
Have a look at this guide How to methodically tune (almost) any multicopter using ArduCopter 4.4.x and do everything that you didn’t do so far.
Ask again if your problems persist after that.
Welcome to the community o/
Have a look at this guide How to methodically tune (almost) any multicopter using ArduCopter 4.4.x and do everything that you didn’t do so far.
Ask again if your problems persist after that.