This product uses an eSIM (Digital SIM and not a physical SIM). An eSIM is an industry-standard digital SIM that allows you to activate a cellular plan from your carrier without having to use a physical SIM. This pre-owned product is not Apple certified, but has been professionally inspected, tested and cleaned by Amazon-qualified suppliers. Cinematic mode now in 4K Dolby Vision up to 30 fps. Action mode for smooth, steady, handheld videos. A15 Bionic chip with 5-core GPU for lightning-fast performance. Superfast 5G cellular. All-day battery life and up to 26 hours of video playback.