In the video, a person is holding a smartphone in their hand. The phone is turned off, and the person is using their thumb to press the power button on the side of the phone. After pressing the button, the phone lights up, indicating that it is now turned on. The person then places the phone on a wooden surface and continues to use their thumb to swipe on the screen. The video shows the person's hand and the phone in close-up, with the focus on the actions of the person's thumb.