Talk Time Up to 24 hours on 3G Standby Time Up to 16 days Battery Life Internet use: up to 12 hours on 3G, LTE or Wi-Fi Video playback: up to 14 hours Audio playback: up to 80 hours Form Factor Bar with touchscreen Colour Silver, Gold, Space Grey Memory 128 GB Network LTE/DC-HSDPA/UMTS/HSPA+/UMTS/HSPA+ Operating System Apple iOS 8 Processor A8 chip with 64-bit architecture M8 motion coprocessor SIM Card Nano-SIM Display 5.5", 1920 x 1080 pixels, 401 ppi, IPS, Retina HD display Weight 172 grams Dimensions 15.8 x 7.8 x 0.7 cm SAR Value 1.19 W/kg