Uk iphone 6s: Resolution 750 x 1334 pixels, 16:9 ratio (~326 ppi density). Size 4.7 inches, 60.9 cm2 (~65.6% screen-to-body ratio). Platform OS iOS 9, upgradable to iOS 15.7. Chipset Apple A9 (14 nm). GPU PowerVR GT7600 (six-core graphics). Comms WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot.