hello guys i got a little problem with my Samsung s7 edge . my edge lights like kind of a bug or some thing that i don't know whats happening with my device. my edge lights working but some times i it won't . like i have to disable and enable for on ...

do any one knows how to change notification lights ?(at s7 edge)

i have a battery problem in my s7 edge it only stay at one day only is this normal