Guna Posted April 1, 2011 Report Share Posted April 1, 2011 I've been using Iphone 4 with D3 about an year now. Today the D3 say Invalid Device! But my Bluetooth audio working fine. Only my Bluetooth phone is not connecting. I try deleting and the phone register and re-pairing but no luck! Please help me. Quote Link to post Share on other sites
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