Don't know about the S6, but I used to have an S5 which I used as a GPS on a motorbike. Strapped to the bars, no housing at all. Never had any problem with it u

Don't know about the S6, but I used to have an S5 which I used as a GPS on a motorbike. Strapped to the bars, no housing at all. Never had any problem with it under pouring rain.