Compass operation is clearly dependant on the hardware and your physical surroundings. My phone compass ( LG V30+) works well in a suburban street or open bushl

Compass operation is clearly dependant on the hardware and your physical surroundings. My phone compass ( LG V30+) works well in a suburban street or open bushland, showing high sensitivity. Inside my steel framed house or 5 metres from a 40 storey steel reinforcement sky scrapers not so much. ( And not much different from my 40 year old Silva compass) That's why Google is using the camera, Street view and AR to align the orientation