The new Fire TV interface is currently rolling out to most Fire TV models via the latest operating system update. While there has never been an official way to roll back a Fire TV software update, Amazon seems to especially want the new interface update to be a one-way path. It seems as though Amazon has decided to blow an eFuse, at least with the Fire TV Stick 4K, when the software update with the new interface is installed. This makes it impossible to downgrade back to the old interface, even if the device is rooted. Read more ›