I have a Firestick in one of my HDMI ports. I can change inputs using my X15 remote and it will pull up the Firestick page with its menu. However, it will not allow me to move on this page using my X15 remote. I have been forced to use my TV remote to navigate the HDMI 2 screen.
Why won't my X15 navigate? Remote works fine for other features. Its a Samsung if that makes a difference.
the input button will work if the TV does not require hitting enter to go to a differnet port.