Amazon Fire TV 2 (sloane) for /e/OS-nougat 0.21
e-0.21-n-20240502-UNOFFICIAL-sloane.zip
https://sourceforge.net/projects/eosbuildsronnz98/files/OtherSmartphones/e-0.21-n-20240502-UNOFFICIAL-sloane.zip/download
Please see sources and install instructions including recovery here:
https://xdaforums.com/t/dev-rom-14-1-sloane-release-bugs-lineageos-14-1-build-firetv-2-sloane-development-thread.4614793/
Use it at your own risk!
Please support the developer(s)!