2014-2018 Mazda 3 Skyactiv Audio & Electronics
Hi,
New here. Just got my Mazda not too long ago and excited about the aio tweaks. So I check my cmu's version and noticed that the OS version (59.00.504 NA N) is different than the Fail-Safe version (51.00.351). How is that possible? I read that to upgrade firmware, you 1st installed...