Engadget
How to transfer data from your old iPhone to a new one

Quick Start transfers contacts, photos, messages, app data, and settings wirelessly by placing the old iPhone next to the new one and scanning an on-screen animation. A USB-C/Lightning cable can be used for faster transfers, with USB-3-capable cables on iPhone 15 Pro and later reaching up to 10 Gbps. Both devices must run the latest iOS version. If the old phone is unavailable, data can be restored from an iCloud backup or from a Mac/PC backup.