My gimbal kept dropping down during flight, so I tried a IMU calibration and it won't get past step 3.
Has anyone had this issue?

Follow the steps in this video instead:

That worked, thanks! The android GO app shows completely wrong pictures.

Hi there, thank you for reaching out and we're very sorry for the Inconvenience that you have faced this issue already forwarded to our developer for them to rectify it, for now, you can just follow the video tutorial that been provided as well with the previous post. fly safely. Cheers!