Firefox is gone but you can still use
Firefox is gone but you can still use 's own web browser to access the internet on Fire TV and Echo Show.
Fire OS - Wikipedia
Get Firefox on your Fire TV, now with Turbo Mode
Mozilla Firefox ends support for Fire TV, Echo Show
Mozilla decides to hide Compact Mode in Firefox for new users but keep it for existing ones - gHacks Tech News
Mozilla Firefox to end support for Fire TV, Echo Show devices by the end of April-Tech News , Firstpost
Mozilla's Firefox Relay Email-Hiding Service Goes Premium
Firefox is Now on Fire TV - Happy Holiday Watching
adds web browsing to Fire TV devices through Firefox and in-house Silk browser – GeekWire
Fire TV, Privacy & security guide