In some instances you may be required to manually update the firmware on your Fire TV Player. Should you need to do so, the steps in this article will outline how you can go about doing so:
Press the Back/Return or the Home button to exit Signagelive
Once back on the home screen, navigate to the Settings menu
Click on My Fire TV
Click on About
Click on Install Update
At this stage, if there is an update available then this will downloaded and your device will reboot.