Technology GSM / CDMA / HSPA / EVDO / LTE LAUNCH Announced 2016, March 21 Status Available. Released 2016, March 31 BODY Dimensions 123.8 x 58.6 x 7.6 mm (4.87 x 2.31 x 0.30 in) Weight 113 g (3.99 oz) Build Glass front (Gorilla Glass), aluminum back, aluminum frame SIM Nano-SIM Apple Pay (Visa, MasterCard, AMEX certified) DISPLAY Type IPS LCD capacitive touchscreen, 16M colors Size 4.0 inches, 44.1 cm2 (~60.8% screen-to-body ratio) Resolution 640 x 1136 pixels, 16:9 ratio (~326 ppi density) PLATFORM OS iOS 9.3.2, upgradable to iOS 13.6 Chipset Apple A9 (14 nm) CPU Dual-core 1.84 GHz Twister GPU PowerVR GT7600 (six-core graphics) MEMORY Card slot No Internal 16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM, 128GB 2GB RAM NVMe MAIN CAMERA Single 12 MP, f/2.2, 29mm (standard), 1/3", 1.22µm, PDAF Features Dual-LED dual-tone flash, HDR Video 4K@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps SELFIE CAMERA Single 1.2 MP, f/2.4, 31mm (standard) Features Face detection, HDR, panorama Video 720p@30fps