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- 2017 CX-5 GT AWD
The addition of wireless support was due to an Android Auto software update. Android Auto is a mobile app, which is never installed on a vehicles infotainment system. Think of Android Auto as plugging an additional monitor into your laptop. Your monitor does not need software to run whatever you move to that screen. The same is true for Android Auto, it's simply using your infotainment screen as an extended display of your phone.
The delays in releasing Android Auto have nothing to do with challenging technological limitations. It was a marketing decision. They hesitated because they were concerned it didn't fit with the Mazda brand.
The mirroring hardware interface is actually quite simple to implement, and already built into all new Mazda vehicles. My point is, if Mazda vehicles do support wireless mirroring, it doesn't add much complexity over the wired implementation. 99% of the complexity exists on the mobile device.
For me, it doesn't make any difference. Doesn't everyone have their phone plugged in while driving anyways?
Sorry, but android auto does have a server component. Go to aio tweaks or android developer pages.
You can mirror a phone on some devices that suppoet hdmi mirroring over usb (MHL) but this is not android auto.
Mirroring and android auto use different approaches. If not then AA would support apps the same on phone and head unit but it doesnt. Waze only works on head unit.
Google only supports chromecast for wireless mirroring on Nexus, Pixel and other stock android phones. While Samsung and others support mirrorlink.
It is more complicated then you imply. Google and others dont want people mirroring youtube onto the car screen. And google is not going to enable mirrorlink (DLNA) - so we need AA server in the head unit so all android phones with AA will regardless of a phones mirroring capabilities. AIO tweaks requires the AA component installed into mazda connect. AA wont work without it.