When you plug the M300 to the dedicated smartphone for the first time: a popup appears in the smart glasses screen and asks to allow USB debugging as shown below.
Allow USB debugging to authorize the display of the smart glasses video.
To allow USB debugging:
- Press the Front button to highlight the Always allow from this computer box
- Press the Back button to validate
- Press the Front button to highlight the OK choice
- Press the Back button to validate the choice
Important: If there’s no camera preview, the screen below appears. Unplug the OTG cable to the dedicated smartphone and plug it again to display the “Allow USB debugging” message again.
Even after plugged many times the cable, the "USB debugging" window doens't show up, please check if you are using the right cable adapted for M300 or if the cable is not deteriorated.
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