The HIRIOT digital dash seller on AliExpress provided feedback. A newer firmware exists but they only recommend it if there are bugs. So I asked a few questions and hope to receive a response soon.
Just for clarification, during wireless screen mirroring, you can switch the phone display off while the mirrored screen in the dash remains visible. When using the USB cable with that tricky apk, the screen in the dash will go black if you switch off the display on the phone. And you have to switch it off to conserve the battery.
Just for clarification, during wireless screen mirroring, you can switch the phone display off while the mirrored screen in the dash remains visible. When using the USB cable with that tricky apk, the screen in the dash will go black if you switch off the display on the phone. And you have to switch it off to conserve the battery.