iPhone 11 smartphone runs on the iOS 13, upgradable to iOS 15.2. It has 64GB storage and 4GB RAM.  It runs on the Apple A13 Bionic chipset.  It has a 6.1" screen-to-body ratio, Liquid Retina IPS LCD, 625 nits (typ), 828 x 1792 pixels, 19.5:9 ratio