AR Android Build and Run Glitch
Android not detected by Unity and it transpired that the phone needs to be connected to the PC in a set order...
Disconnect the USB cable from your android device, go to Settings > Developer Options and turn off and on the USB Debugging . Also tap on "Revoke USB Debugging Access". Now, connect the USB cable. When prompted tap "Yes".
When upgrading to Unity 2019.1.12 it might be necessary to check Java version.
Disconnect the USB cable from your android device, go to Settings > Developer Options and turn off and on the USB Debugging . Also tap on "Revoke USB Debugging Access". Now, connect the USB cable. When prompted tap "Yes".
When upgrading to Unity 2019.1.12 it might be necessary to check Java version.