Evening all,
Earlier today i did a test fit of my MDI armrest unit, everything seemed to go well at first. My RNS 510 showed the "MDI" option when clicking the media button, but when i tried to plug my phone into it, i got the error message
"
MEADIA IN: Device without function"
![](https://farm5.staticflickr.com/4725/38625360865_dacc262fbc_z.jpg)
For connectors, i'm using a MDI > USB and the plugging the standard apple lighting USB cable into that
![](https://farm5.staticflickr.com/4680/39490957982_04ae59ef94_z.jpg)
The phone charges, so i know something is happening but unsure why I'm getting the message mentioned above.
Would using a MDI > Lighting cable be a better option?