Runs Android 7.1
Fire OS 6.x
On October 20, 2016, Amazon released the Fire TV Stick with Alexa Voice Remote, codenamed "Tank". Other than the new remote, the updates include MediaTek MT8127D Quad-core ARM 1.3 GHz processor with a Mali-450 MP4 GPU, and support for the H. 265 (HEVC) codec.
Plays WMV fine with VLC Media Player but does not support VC-1 Codec.