This iPhone functions perfectly fine without a SIM card, but please see the following: The phone is very unresponsive when a SIM card is inserted. Please understand that there are some scratches. Photos are attached. I have used it for about two years. The maximum battery capacity is 72%. There are no cracks on the screen. There is a black area on the screen, but it does not affect usage. Please see the photos. It will be initialized and shipped with the box. Please understand that this is a used item and no claims or returns are accepted. Thank you. Series: iPhone Model Name: iPhone 13 mini Color: Red Capacity: 128GB Maximum Battery Capacity: 79% or less Accessories: Charging cable Accessories: Charging cable, Box Accessories: Charging cable, Box, Instruction manual [Brand and Model] Apple's iPhone 13 mini is a smartphone that combines a sophisticated design with high performance. [Color and Design] This model is in the special PRODUCT(RED) color, which is visually appealing. The back is made of glass material and is equipped with a dual camera. [Display] The display provides vivid colors and high resolution, enhancing the visual experience. Thank you for viewing.