lollipop on samsung galaxy s5 verizon

I don't know I was asking you. So far all it does is updates my screen makes pretty icons and doesn't do anything else. I wanted to have to be able to add files to my sd card. I look to the developers often. I don't see anything there. My auto screen brightness is now useless. Why did they bother? I'm just saying that's what I see so far but as usual I'm probably wrong
I need to learn more but