Pumpkin Best 7" Pure Android 4.4 Kitkat Plug and Play Car Stereo Support GPS/Can-Bus/3G/WIFI/OBD2 For Audi A4 2003-2008
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How to install Android 4 4 map navigation on car stereo
Tyson said Also, after the 4.4 upgrade I no longer have navigation app. Do you have an .apk for the navigation app? Thanks for all the help!
So how to slove this issue? About navigation app, please make sure the navigation maps in the sdcard, then put it into GPS card slot
Then here is a video to show it, you can install it.
How to soldering your head unit if your stereo have not external microphone input? like JY-C0227U
Recently, Tyson said I haven’t tried an external microphone. How would I attach one? The unit doesn’t look like it has an external microphone input.
So, How to solve it?
You need to do this.
This adapter and external Mic, I will send it to you.
So you need to cut the adapter wire and soldering it like this images
