Walking the dog this morning, decided to take a video, panned to the right and heard a buzzing noise which I thought was very strange, almost felt like the phone started to vibrate with a call coming in but not as intense. 

Watched the video I had taken and you can hear a buzzing and the image distorting at the same time. This can be re-created by moving the camera to the right. This happens on video only so far. 

Little research shows this is quite a common occurrence, but this must be a hardware issue surely? Faulty OIS I suspect, or is this just another quirk we have to live with? 

Video attached.