We just purchased a Freedom Elite 24HE and it has the rear HDMI and USB ports brought out to the dash. That USB is for charging. It turns out that the AVM70 has a USB port on the head unit itself under a rubber cover below the on/off button. That USB does I/O. I have yet to get mirroring to work with my iPhone. I get a bunch of distorted lines on part of the screen. The dealer has had to replace the head unit once already. I don’t have a great deal of confidence in Axxera products.
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