Dual Nano-SIM (4G + 3G) ; 4G LTE & 3G work with AT&T and T-Mobile ; DOES NOT work with Sprint, Verizon, U.S. Cellular and all other CDMA carriers ; LTE compatibility: This is international stock, varies per carrier (ensure to check with your carrier before purchase) Exynos 8895 Octa-core (2.3GHz Quad + 1.7GHz Quad), 64-bit, 10nm CPU ; 64GB ROM, 6GB RAM ; Supports microSD, up to 256 GB (uses SIM 2 slot) ; 3300 mAh battery. Main Camera: Dual 12 MP (26mm, f/1.7, PDAF & 52mm, f/2.4, AF), OIS, autofocus, 2x optical zoom, dual-LED (dual tone) flash; Front Camera: 8 MP, f/1.7, autofocus, 1/3.6" sensor size, 1.22 µm pixel size, 1440p@30fps, dual video call, Auto HDR.

Display: 5.84" inch, LTPS IPS LCD capacitive touchscreen, 16M colours, 1080 x 2280 pixels, OS: Android 8.0 (Oreo), Chipset: HiSilicon Kirin 659, CPU: Octa-core (4x2.36 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53), Non-removable Li-Po 3000 mAh battery, Camera: Dual: 16 MP (f/2.2, 1.0 µm) + 2 MP, phase detection autofocus, LED flash, 16MP (f/2.0, 1.12 µm), 1080p Secondary Camera. Memory: 64GB + 4GB. 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: GSM 850/900/1800/1900, UMTS 850/900/2100, LTE Cat6 700/900/1800/2100/2600 (Bands 1,3,7,8,28) TD-LTE 2300/2600 (Bands 38,40).