DUO – the ultimate solution for turning any spare phone or tablet into a powerful diagnostic tool. Begin by simply scanning a QR code with the device you wish to assess. With an intuitive setup, DUO guides you through a seamless process. Along the way, youll be prompted to use a second device equipped with a functional camera, ensuring a comprehensive check of your primary devices condition. Ideal for pre-sale assessments or before sending your phone for repairs, DUO brings professional kiosk-grade diagnostics right to your fingertips. Experience the convenience of high-level device analysis from anywhere, at any time.