Dual Sim Slot, Display: 16.21cm (6.4") FHD+ Super AMOLED Infinity-U, Camera: Rear 16MP (F1.7) + 5MP (F2.2) Front 16MP (F2.0), Memory: 4GB | 64GB Expandable up to 512GB, Processor: Exynos 7904 Octa-Core, OS: Android Pie Samsung One UI. 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 areas: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2, HSDPA 850 / 900 / 1900 / 2100, LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500). The box contains: Your new device, USB cable, Charger (May be Foreign), Documentation. 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 areas: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2, HSDPA 850 / 900 / 1900 / 2100, LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500). Dual Sim Slot, Display: 16.21cm (6.4") FHD+ Super AMOLED Infinity-U, Camera: Rear 16MP (F1.7) + 5MP (F2.2) Front 16MP (F2.0), Memory: 4GB | 64GB Expandable up to 512GB, Processor: Exynos 7904 Octa-Core, OS: Android Pie Samsung One UI. The box contains: Your new device, USB cable, Charger (May be Foreign), Documentation. Shoot life-size videos with 123° Ultra-wide lens. Redefine your visual experience with next-gen Super AMOLED 16.21cm (6.4”) FHD+ Infinity-U Display