This is an updated thread for rooting the Amazon Fire TV 2. A simpler preloader rooting procedure was developed and has been tested by a number of users, but the guides were not updated until now. We have decided to publish the guides on the wiki section of the repo website since it allows other primary contributors to edit the guides as well so we can share the work (currently just @ImCoKeMaN). For those interested in jumping straight to it follow the link below:
I have also uploaded the associated zip files to this thread as sort of a mirror. The above guide provides support for Windows, Mac OS X, and Linux. As of right now the procedure supports 188.8.131.52 and 5.0.4, but a unique zip file is required for each version. It does check the version when starting the root procedure so you'll have a chance to grab the correct one just in case. The original scripts are all located and will continue to be maintained in the git repo located here:
This new thread will serve as a place to ask questions and discuss the newer rooting procedure while the old thread will be more historical or for advanced users who are trying some new things using the preloader interface.