Screen: Super AMOLED capacitive touchscreen, 16M colors, Size: 5.8 inches, Resolution: 1440 x 2960 pixels, Protection: Corning Gorilla Glass 5. OS: Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo), Chipset: Exynos 8895 Octa. Memory: 64 GB, 4 GB RAM. Camera: 12MP, Front: 8 MP. Sensors: Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2. Unlocked cell phones are compatible with GSM carrier such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint. Please check if your GSM cellular carrier supports the bands for this model before purchasing, LTE may not be available in all regions: 2G bands: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2, 3G bands: HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100, LTE bands: 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 66(1700/2100), 38(2600), 39(1900), 40(2300), 41(2500).

This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Screen Size: 5.7 inches Fingerprint Sensor