Both browsers will be available for Web browsing on all devices in the Fire TV lineup, including the regular Fire TV and the Fire TV Stick.
Unsupported Browser Firestick: Solving Compatibility Issues - GadgetMates
Mozilla Firefox and Silk browsers now available on Fire TV
How to Use Web Browser on Fire TV [Step by Step] - Alvaro Trigo's Blog
Firefox web browser officially released for the Fire TV : r/fireTV
How to Install & Use Silk Browser on Firestick/Fire TV (2024)
Fire TV users lose access to the app earlier than expected
What Are the Best Web Browser Apps for Your Smart TV? - DEV Community
Firefox ending support for Fire TV and Echo Show devices this month
App on Fire TV Now Redirects to Silk or Firefox Web Browser