Apple iPhone 6s 128GB Unlocked GSM 4G LTE Dual-Core Phone w/ 12MP Camera - Space Gray Mobile Frequencies: Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot Main Display Resolution: 750 x 1334 pixels Rear Camera: 12 Megapixel Operating System: iOS 9 Processor: Dual-core 1.84 GHz Twister Processor Speed: Dual-core 1.84 GHz Twister Built-in Storage: 128GB Battery Type: Non-Removable Lithium Ion |