Samsung Galaxy S6 G920a 64GB Unlocked GSM 4G LTE Octa-Core Smartphone w/ 16MP Camera - White Pearl 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) with 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: 64GB, 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