Fire TV Stick 3 and Fire TV Stick Lite have been rooted — Custom TWRP Recovery and Custom LineageOS Android 11 ROM available

The 3rd-gen Fire TV Stick and the Fire TV Stick Lite have been rooted. XDA forum user k4y0z has posted instructions for how to root either device, which currently requires the Firestick be on Fire OS version 7.2.7.3 or older.

How to install TWRP custom recovery and an initial ROM on a rooted Fire TV Stick 1

Recovery AFTVnews

Rooting an Fire TV Stick 4K » Miguel Mota

Fire TV 1 – AFTVnews

How to install Android TV on a Fire TV step by step - Gearrice

Rooting an Fire TV Stick 4K » Miguel Mota

Question] Fire Stick 4k Custom Roms?

Rooting an Fire TV Stick 4K » Miguel Mota

Recovery AFTVnews

Guide] Fire TV Stick 4K Prerooted and Debloated Android TV Rom (6.2.7.6) : r/firetvstick

Fire TV Stick 4K Rooting, Recovery, and ROM Guides

Root – AFTVnews

ROM][UNOFFICIAL][11] LineageOS 18.1 for Fire TV Stick Lite/3rd gen (sheldon/p)