Have app in scan nearby mode. When is flashing 3x slowly, press the front button for a second or two, and release. It will start flashing green fast. After second or two, app will notify you for secure setup, where you can enter 5 digit code or scan QR code. I just tested. It works
Factory reset sensor by pressing pinhole button for approximately 20 seconds. Light will flash red, and go back to 3x green slow flashes
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