A modern smartphone with a black screen and a visible home button is displayed against a white background. The phone has a sleek design with a camera at the top and a fingerprint sensor below the home button. The brand 'ZK' is visible at the top right corner, and there are various icons representing different apps such as 'Onavo', 'Apple', 'Microsoft', 'Wi-Fi', and 'Bluetooth' at the bottom left corner.