If you think you've closed an app by holding the Home button and swiping at it, think again. (tomsguide.com)
After that, all that's needed to complete the initial setup process is to press and hold the home button on the new controller that comes included with the headset. (androidauthority.com)
You may need to connect the remote to the Fire TV by pressing and holding the home button for about 10 seconds. (digitaltrends.com)