Here is the breakdown of what works flawlessly:
Use the D-pad to go to "Movie" > "USB Drive" > Select your file. Deep Dive: Codec and Format Support (The Crucial Part) Most people ask: Will the HDKing Guru Portable play my downloaded movie? hdking guru portable
Plug an HDMI cable into the "HD OUT" port on the Guru and into your TV. Turn on the TV and switch to the correct HDMI input. Here is the breakdown of what works flawlessly: