iPhone7 Plus running the latest iOS version 10.3.2 or 10.3.1.
shows very clearly way to hide the dock on iPhone 7 Plus in iOS 10.3.2, 10.3.1
without need to jailbreak.
the Spotlight Search.
and press the Home Button.
see no dock on your HomeScreen.
When unlocking your device it hides the dock. So this is cool trick to hide dock in
iOS 10.3.2 on iPhone Plus that you must try.