I have a DNX 7340 bt on firmware 1.2.0 and have tried everything to update to 1.9.0 ,I even sent it to autobahn and left it there for 3 days and no luck the update button will not come up I have burnt it to cd put on USB I've done webupdate and Bluetooth update 1.7.0 just goes on and on and on , wtf is rgn ?, can anyone explaine how they updated the device ? Not maps (1.9.0), I am not 100% sure my USB is 2.0 so I'm going to by one now , kenwood will do it for $100 ( kenwood told me it can be done via USB and the manual says to do it by disk) just found the sd card by holding the disk eject button for a few secs , it's encrypted or some **** and shat itself when I put it in my computer, I have other sd cards I have tryed please help save me the $100 and that's not even the maps



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