Swipe up from the screen's bottom to access the Control Center. Toggle AirPlay on by tapping the TV-shaped AirPlay icon. When the AirPlay icon on your iPhone is turned on. It will be blue and have the name of the AirPlay device (such as Apple TV) next to it. Tap Switch Off AirPlay Mirroring if you are using an AirPlay device. Your iPhone speakers will stream audio as you are no longer linked to AirPlay devices.