The iPhone 15 Plus is a 6.7-inch phone with a Super Retina XDR display, an A16 Bionic chip, and an advanced dual-camera system featuring a 48MP main sensor. Key details include its Dynamic Island, USB-C port, long battery life, and an aluminum frame with a color-infused glass back. It runs on iOS 17 and is water-resistant up to 6 meters for 30 minutes.