I have all required cables (CD-IV202AV and lighting VGA adap.)
The appradio app on my iPhone stays grey,(does not light up red)
The screen on the x4500bt just mirros whats on my iphone.
When i press the appmode on the x4500bt the screen goes black. When i touch the screen an X and a finger appear in the top right corner.
My x4500bt has latest firmware amd i have no problems connecting Bluetooth w/the iPhone.