It has counted flights of stairs in your video as the floor level is greater than 3.0 metres (looks like an office or flats staircase). Samsung by their own admission state that a floor level has to be greater than 3.0m for it to register. Most UK homes have a domestic floor level of 2.8m therefore it never registers a floor level change. Unless you raise your arm above your head at the top, you look ridiculous but it is the only way to get a flight of stairs recorded in ones home. ... View more

It's not a new issue, it has been the same on other Samsung Watches, Gear, Fit etc. Samsung in their infininte wisdom have decreed that a floor level should be 3 metres. Despite being told many, many times they still persist with this belief. This shows a company that is totally out of touch with its customers views. In the U.K the average floor level is 2.8m so despite all the innovations Samsung have given us in the last decades, which to be honest are world beating, they will not alter the coding if 3m to 2.7m and make everybody happy. ... View more

I have the Galaxy watch 42mm Same thing, only twice counted stairs  in the local town centre and 29 floors registered whilst waxing the car. My staircase at home is 2.7m needs 3m Seems Sam sung is one of those companies where you report it and nothing gets done.  ... View more