The video shows a person holding a smartphone in their hand and removing the back cover to reveal the battery compartment. The person then removes the battery and replaces it with a new one. The smartphone appears to be a black, modern device with a camera on the back. The person's hands are visible as they work on the phone, and they seem to be experienced in handling the device. The video is shot in a well-lit room, and the focus is on the person's hands and the smartphone.