Why does it say unsupported device when playing music through car USB?

[AC Question]

why does it say unsupported device when playing music through car USB

Music player unsupported

 

[B. Diddy]

Re: why does it say unsupported device when playing music through car USB

Welcome to Android Central! Which phone and which car? You often can't connect a phone to a car's USB port to listen to the music directly--the USB port is usually intended for a USB flash drive with music loaded on it.

 

[Rukbat]

Re: why does it say unsupported device when playing music through car USB

Or an mp3 player, which an Android phone isn't.