Model: WAS-LX1A, Display: 5.2 inch, FHD LCD screen, 1.21 mm edges, 1920 x 1080 with high color gamut, High contrast 1500:1. CPU: Kirin 658, 16nm Octa-core (4 × 2.1GHz + 4 x 1.7GHz) + i5 co-processor, OS: Android™ 7.0 Nougat, Memory: 4GB RAM + 32GB ROM, Camera: Rear: 12MP, 1/2.8 inch sensor and 1.25 µm single pixel, Front: 8MP, PDAF and CAF 0.3s mixed focus. Sensors: Fingerprint sensor Gravity sensor, Optical sensor, Distance sensor, Gyroscope ,Compass/. 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: Main SIM card: FDD LTE: Band 1/3/7/8/20, UMTS (WCDMA) / HSPA+ / DC-HSDPA: Band 1/2/5/8, GSM / EDGE: 850/900/1800/1900 MHz, Secondary SIM card: GSM: 850/900/1800/1900 MHz.