Can you view a video file on a usb? Something like a .mp4 file? Have you tried assigning the different player programs you suggested the unit has as the default for DVD? I don't have a DVD player on my android unit so I can't do much research.

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Neil

2016 X5 3.0D
2009 X3 3.0D
2005 X5 3.0 Diesel Sport (sold)
2007 320i (sold)