What's all this talk about pushing updates to locked phones? I have to get involved every time there's an OS update for any of my iDevices. That damn red dot on

What's all this talk about pushing updates to locked phones? I have to get involved every time there's an OS update for any of my iDevices. That damn red dot on Settings.app just stares at me while I try to find a time I'd like to be without my device for half an hour.