A:AnswerTo link your Alexa enabled device (Echo) to the Fire TV Edition television use the Alexa app. If you are using the smartphone app, go Home > Menu > Settings > Video and TV > Fire TV and follow the on-screen instructions.
For more information about the Alexa commands please visit:
https://www.amazon.com/gp/help/customer/display.html?nodeId=202174250
If you connect an Audio Device to the Fire TV Edition television the TV speakers will automatically turn off.
David M. - Insignia Support
A:AnswerUse the included Voice Remote to control your Fire TV Edition television.
Try to use the Power On feature. Go Home > Settings > Display & Sounds > Power On and select Last Input.
Download the Amazon Fire TV app on your smartphone to control your TV.
David M. - Insignia Support
A:AnswerHi,
If the new remote is compatible with the TV. Turn ON the TV, grab your remote, point it to the TV, then press and hold the HOME button for a minute. After this, your TV remote should work properly.
Adolfo M. - Insignia Support
https://www.insigniaproducts.com/contact-us
A:AnswerThe Fire TV Edition television features built-in Bluetooth.
The Fire TV Edition television does not feature Screen Mirroring.
Connect your multimedia devices to the Fire TV Edition television using HDMI.
Try to use a Microsoft Wireless Display Adapter
David M. - Insignia Support