Open the back of of your tablet unplug the battery and press the power button then plug the battery back in and close it up restart it and problem solved . I found out its a charging issue it messes wuth the battery but this procedure fixes it . Hope it helps Cheers
Open the back of of your tab4 unplug the battery and press the power button then plug the battery back in and close it up restart it and problem solved . I found out its a charging issue it messes wuth the battery but this procedure fixes it . Hope it helps Cheers