Officially moto does not support usbc to hdmi on the z line. The best bet is still chromecast but i understand thats not a good option for some due to internet limitations.
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Moto z3 hdmi output. Ingredients moto z moto z force or moto z play. Does the moto z3 play support for hdmi over usb or any type of video output cus the usb c port. In fact after some more research it seems that none of the moto z phones support usb c to hdmi. Thank you for writing to us unfortunately it does not support. Z3s video infrastructure application board z3 dm8168 app 3x is included with the z3 dm8169 vi rps system. Getting the moto z to display on an hdtv.
As an alternative you could look into chromecast. The z3 dm8169 mod 2x natively supports gige sata2 hdmi output rs 232 dual usb 20 ypbpr output and composite video with stereo analog audio output. Ad adtrip usb c 35mm adapter type c audio jack adapter usb c to headphone jack compatible with huawei p30 promate 30 promate 20 pro motorola moto zz3 oneplus 6t 7 pro 2 pack 31 out of 5 stars 372. The general consensus of this thread is that the z3 doesnt support this feature so its likely that the z3 play also does not support it. Volt plus tech hdmi 4k usb c kit works for motorola moto z3 professional adapter with digital full 2160p 60hz output. Nor do they have miracast.
After much messing around ive achieved my initial goal.