... 128M ~ 32GB capacity, Built-in 3G module4. Built-in 3G module is divided into 3 models: WCDMA (China Unicom), EVDO (telecommunications ... or mobile (3G card sold separately)15. High-definition video interface HDMI output support, G-Sensor support for screen rotation function16 ... key, back key, Home key and menu key.20. Side Interface: TF (ie Micro SD) card, headset, Mini USB, mini-HDMI ...