I just want a working system too! Linkswell radios aren't the newest software....they're running Android 4.4.4 with a PX3 processor. But, if it works without problems, I'll be happy. And, didn't have good luck with the built-in mic's on the PX6 units... It worked fine for Android Auto voice commands....but no one could hear me on my cell phone.
I’m trying to figure out next how to make a usb mic work but I think you need newer software to add that functionality in android
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