I had this problem the other day. Make sure that you have all of the Android SDK installed with Unity. If you are using Unity hub, there is a drop down tab for the android SDK in the settings for the Unity Install that you are using.
@DarkTable Are you saying that the Quest doesn't need to connect with the BLE to send a signal? I am struggling to try to get my HC-05 to connect over Bluetooth. I can't input a PIN code to connect because no keyboard is available on the screen.
Thank you for answering questions today, Matt.
I have a few if you would be so kind,
1. What are the hardware ports that are included on the Quest? Is there a page with a detailed spec sheet? If I search for Quest ports I am flooded with how to tr…