Okay I got the new samsung galaxy s4 like the 3rd day it came out. I am in love with it but for the past few days it has been lighting up like I am getting a notification. But there is nothing there it lights up for about 5 sec and then turns off it does this for probably 4 times in a row and then stops and does it throughout the day. I dont know what it is doing I have googled it tried to fix it. I have restarted the phone took the battery out for more than 15 mins. And nothing I don't know why it is doing it can anyone help me fix this problem I have also just deleted some apps that may be the problem and I am waiting to see if it does. it But I need ths fixed it is using up my battery bad.