Sound quality AFTER latest firmware is HORRIBLE

I just purchased this Sena 10R, and paired it with my iPhone and played some music. The sound quality was warm and rich, very nice. 


I then updated the firmware to the latest, and when I listened again to the same song the quality of the sound was unbelievably bacd in comparison. Thin, trebly no bass, not warm, so harsh sounding that it hurt my ears. 


Please help! 


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