I found blue light filter in system aps but it is not operating .Why???

Can any one please send me the screen shots of what is new in the oreo update of j7 prime.PLEASE PLEASE

when i search in the widgets section i am able to find the galaxy lock screen stories and when i use to apply this widget on home screen this lock screen stories gets replaced by storage booster.....wht is the reason and wht will i fo I am using j...

How to make widgets background transparent like the clock widget which is shown in the scree shot below..can any one help!!!!please

Does J6 has Always on display feature