The GALAXY S6 is reinventing the boundaries of design, with a beautiful dual-edge curved display that's responsive and incredibly efficient. 5.1-inch Super AMOLED Multi-Touchscreen w/ Fingerprint sensor, Samsung Pay and Protective Corning Gorilla Glass 4. Android v5.0.2 (Lollipop). 16 Megapixel Camera (2988 x 5312 pixels) + Front-Facing 5 Megapixel Camera w/ Dual-Video, Auto HDR, Panorama, and Optical Image Stabilization. Quad-Core 1.5 GHz Cortex-A53 + Quad-Core 2.1 GHz Cortex-A57 Processor, Chipset: Exynos 742, Mali-T760 Graphics. Internal Memory: 32GB, 3GB RAM (not expandable). Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot, Bluetooth: v4.1, A2DP, LE, apt-X, USB: microUSB v2.0 (MHL 3 TV-out), USB Host, GPS: with A-GPS, GLONASS, Beidou. Browser: HTML5, Messaging: SMS (threaded view), MMS, Email, Push Mail, IM. Non-removable Li-Ion 2550 mAh Battery. Dimensions: 5.65 x 2.78 x 0.27 (inches), Weight: 4.87 oz. This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint.