Blackberry Z10 STL100-1 16GB Unlocked GSM OS 10 Smartphone - White 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 900 / 1900 / 2100 4.2" Capacitive Multi-Touchscreen BlackBerry 10 upgradable to v10.1, Dual-Core 1.5 GHz Krait Processor, Chipset: Qualcomm MSM896 Snapdragon, Adreno 225 Graphics 8 Megapixel Camera (3264 x 2448 pixels) ) w/ Autofocus, LED Flash+ Front-Facing 2 Megapixel Camera, 720p@30fps + Video 1080p@30fps, video stabilization Internal Memory: 16GB storage, 2GB RAM + microSD Slot Expandable up to 64GB