guys ,,i have samsing j1 2016 ,,nag black.out ung screen,,so i turned it off ,,then open again ,,black.screen pa rin,pero nag vibrate ,,after a few seconds pinindot power.button.saglit ,,tps sa swipe ako sa screen sa bandang ibaba ,,then narinig ko ung unlock.tone,,which ,,means,,ok pa touch at lcd ko,,, ,,i tried sana labphone kaso kelangan naka.usb debug ung phone ,eh black screen naman,,pno kaya to?