Mozilla revealed that it will end support for the organization's Firefox web browser for the products Fire TV and Echo Show on April 30, 2021.
I got the Echo Show 15 and it's great — except for this one flaw
Mozilla is shutting down Firefox for Fire TV and Echo Show devices
Echo
The Echo Show 15 Fire TV Update Is Rolling Out Now - Tech Advisor
Firefox version history - Wikipedia
Echo
This is how you play music from any streaming service on your Echo - CNET
Hack your Fire tablet with Fire Toolbox (Install Google Play, disable apps, and more) - Liliputing
Chrome vs. Safari: Best Browser for iPhone and Mac
Echo Show tips and tricks: Become a touchscreen Alexa master!
Firefox version history - Wikipedia
Archives - gHacks Tech News
job listing confirms that Fire TV is dropping Android-based Fire OS
Why is my Fire TV remote voice search not working? - Quora