Upgrading KODI 17.1 to KODI 17.2 is a MUST. There have been a few security bugs especially in the subtitle addon that could potentially give hackers access to your device.
This is why 17.2 was pushed out to address this security issue
KODI 17.2 FIRESTICK INSTALL LINK:
Ares Wizard URL: http://repo.ares-project.com/magic
Ares Build Pin: