Q 1：How to enable developer options and the USB Debugging function?
A：Go to Settings, then click the 7th item. In the "About Device" menu, gaze at the PUI Version item and click button A for 8 times consecutively to enable Developer Options. After that, in the developer options menu, you can see the "USB Debugging" function.
Q 2：How to solve the “HMD unrecognized” issue after connecting the HMD to the PC?
A：Make sure the PC cable has been connected via HDMI to display graphics correctly, and ensure that the computer has PicoVR_Runtime.exe (included in the SDK package) installed. Restart the computer after installation is complete.
Q 3：How to install an APK to the Pico Neo?
A： • Select Developer Options, enable the "USB debugging" function, and set "Select USB Configuration" to MTP mode.
• Connect the gamepad to the PC. Copy the APK into the gamepad’s file directory, such as the Download folder, directly.
• Enter "all", then "document management", then "the installation package". Find the APK you copied into Download files. Click and install.