LG Electronics LG-D855-G3-16GB - Unlocked (White) MODEL NO : LG G3 D855 16GB White GSM 850/900/1800/1900 WCDMA 850/900/1900/2100 LTE 700/800/900/1800/2100/2300/2600 Android OS, v 4.4.2 (Kit Kat)Chipset QUALCOMM MSM8975AC Snapdragon 801 CPU Quad-core 2.5 GHz Krait 400 GPU Adreno 330Li-Ion 3000 mAh battery Stand-by Up to 565 h (2G) / Up to 553 h (3G)Talk time Up to 19 h (2G) / Up to 21 h (3G) Primary Camera: 13 MP, 4160 x 3120 pixels, phase detection/laser autofocus, optical image stabilization, dual-LED (dual tone) flash, check quality Secondary: 2.1 MP, 1080p@30fps Features: 1/3'' sensor size, simultaneous video and image recording, geo-tagging, face detection, Hydride: 2160p@30fps, 1080p@30fps, optical stabilization, HDR, stereo sound rec., check quality SIM type: micro-SIM Bluetooth: v4.0, A2DP, LEWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.