Zino Mini - Failed Gimbal Calibration with Hubsan Tool using iOS

Having had a faulty Zino Mini Pro from new, and being refused refund, Hubsan have finally supplied a replacement Camera / Gimbal - but you have to calibrate with hubsan tool first.... needless to say this supposedly simple task, like many others, fails to work - on iOS or Android..... One day this thing might work!.... Check out other video for Android failure