Microsoft Lumia 640 XL LTE Dual Sim Black 8GB (RM-1096) Unlocked international model- no warranty SIM: Dual Sim, Size: 5.7 inches, Resolution: 720 x 1280 pixels, Protection: Corning Gorilla Glass 3, OS: Microsoft Windows Phone 8.1 with Lumia Denim, Card slot: microSD, up to 256 GB, Internal: 8 GB, 1 GB RAM. 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. Please check if your GSM cellular carrier supports the bands for this model before purchasing, LTE may not be available in the US as this is the international model: 2G bands	GSM: 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2. 3G bands: HSDPA 850 / 900 / 1700 / 1900 / 2100. 4G bands: LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300). This device may not include a US warranty as some manufacturers do not honor warranties for international items Please contact the seller for specific warranty information. The box contains: Your new device, USB cable, Charger (may be foreign) If so, a FREE US adapter will be included, Documentation.