Nokia Lumia 510 Black unlocked European version, international warranty Nokia Lumia 510 Black GSM 850 / 900 / 1800 / 1900 HSDPA 850 / 900 / 1900 / 2100 Camera - 5 MP, 2596&#x445;1948 pixels, autofocus 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.