While in the under water mode, my Osmo pocket's gimbal keeps flicking up and down while shooting. I've tried to check for a software update, calibration of gimbal, and have factory reset the device, none of these attempts have worked to fix the problem.

While in the under water mode, my Osmo pocket's gimbal keeps flicking up and down while shooting. I've tried to check for a software update, calibration of gimbal, and have factory reset the device, none of these attempts have worked to fix the problem.