Hi All,
I am a little confused, I have recently installed a Desay SV 6RD035187B in my Jetta and was wanting to update the firmware. I've read online that you cannot update the firmware on the Desay SV version however some sources say that you can on the Desay Model B. mine does say B on it but it also say SV ?? so I dont know ?? anyone here have the same unit ?
mine:
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