Hi I have purchased a S320CDI W220 and it has a phone cradle fitted in the centre armrest the code on the cradle is A203 820 01 51 underneath 01 M46 Q5 I purchased a Nokia 6310i which I was told was the phone to fit which it does and charges but the command constantly displays initializing phone and just sits there so I cant use it the phone has 5.5 firmware which I was also told to make sure of can anyone please help

Thanks
Steve