In the video, a person is holding a red cell phone in their hand. The phone is turned upside down, and the person is using their thumb to push a small white card into the phone. The card is being inserted into a slot located on the back of the phone. The person's hand is steady as they carefully push the card into the slot. The phone appears to be a smartphone, and the card is likely a SIM card, which is used to identify the phone on a cellular network. The person's actions are deliberate and precise, indicating that they are familiar with the process of inserting a SIM card into a phone. The video does not provide any additional context or information about the person or the phone.