This video shows the result of my mygig 730n RER after updating from 9.668 to 9.713 . Now there is no sound from the FM am HDD ,but I get sound on aux and navigation. The Uconnect and hfm keep saying activating but never do. Physically the radio works fine. I have seen online people saying it has to be reinstalled but how would they do that without the cd working I have also seen someone who converts these radios from low speed to high speed can bus. So there has to be a way of reinstalling the Software.

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