my iphone is getting blackout and need to be restarted
my iphone 6 is getting blackout and nee to be restarted! this problem started yesterday and it is continuing
iPhone 4, iOS 6.1.3
Try to reset the phone by holding the sleep and home button for about 10sec, until the Apple logo comes back again. You will not lose any data by resetting, but it can cure some glitches.
If this does not work, connect to your computer in recovery mode, explained here: