In the video, a person is seen using a yellow brush to clean a smartphone in a sink filled with water. The person scrubs the phone with the brush, and then removes the back cover to reveal the internal components. The person then uses the brush to clean the inside of the phone, focusing on the circuit board. The video is shot from a top-down perspective, and the person's hands are the only part of them visible. The sink is white, and the water is clear. The brush is yellow with black bristles. The smartphone is black, and the internal components are green and silver.