Summary: Smart Phone OS: iOS; Smart Phone OS ver.: 7; Shape: Bar; SIM: Nano-SIM; Processor Speed: ; Internal Storage: 64GB; RAM: ; External Storage: none; Battery life: up to 10h on 3G(talk time) / up to 250h(standby) / up to 8h on 3G(internet) / up to 10h on LTE(internet) / up to 10h on WiFi(internet) / up to 10h(video playback) / up to 40h(audio); Screen Size: 4.0 inches (~326 ppi pixel density); Resolution: 1136x640; Touch Screen: yes; Screen Type: widescreen Multi-Touch displayRetina disp ...