Screen: 5.2-inch Super AMOLED Capacitive Touchscreen, 1080 x 1920 pixel OS: Android v6.0 Marshmallow, Chipset: Exynos 7 Octa 7880, Processor: Octa-Core 1.9 GHz Cortex-A53, GPU: Mali-T860MP3. Camera: 16 Megapixel Camera with f/1.9, 27mm, autofocus, LED flash, Geo-tagging, touch focus, face detection, panorama, HDR + 16 Megapixel Front Camera with f/1.9, 1080p; Video Capture: 1080p@30fps. Internal Memory: 32GB, 3GB RAM - microSD Up to 256GB. Unlocked cell phones are compatible with GSM carriers such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. American Model: This Product is only compatible with SIM-Card issued from a mobile operator with the Americans.North,South, and Central Americas and the Caribbean. For International SIM cards Use : A cumulative call over five minutes must first be made with the sim card from American Operators.