My interest is this.
I recently update my Avic f900bt with the new european firmware 1.020. But i think it didn´t went all the way, because when it finished the installation i didn´t let it reset by itself. Instead i did a reset myself a reset before that.
The unit switchs on and overal it work fine burt since then my bluetooth connections don´t work properly(the sound too lound in the begining and too quiet during conversation). I think the cause was a bad firmware installation.
I just can´t install another firmware over the one i´ve got (1.020) because it´s the last one (but not t