Samsung Galaxy Ace Duos S6802 - Factory Unlocked, Dual SIM, Android Smartphone - International Version, No Warranty (White) Cellular Band - Quad-Band 850 / 900 / 1800 / 1900 Mhz Cellular Band 3G - 850 / 2100 Mhz This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.