iPhone 7 Plus features two 12MP cameras for high-resolution zoom and great low- light photos with 4K video. Optical image stabilisation. A 5.5-inch Retina HD display with wide colour and 3D Touch. An A10 Fusion chip for up to 2x faster performance than iPhone 6. The longest battery life in an iPhone. Immersive stereo sound, splash and water resistant and iOS 10.