ASUS ZenFone 2 ZE550ML 4G LTE Factory Unlocked (Dual-SIM, 2GB RAM/16GB ROM) - International Version (No Warranty) (White) System: Android 5.0 Lollipop, Android WW Processor: Intel Atom Z3560 (1.8GHz)/ GPU: PowerVR G6430 5.5inches, HD 1280x720, IPS Corning Gorilla Glass 3 2G: EDGE/GPRS/GSM : 850/900/1800/1900, 3G: WCDMA : 850/900/1900/2100 4G: FDD-LTE: 2100MHz(1)/1900MHz(2)/1800MHz(3)/1700MHz AWS(4)/850MHz(5)/2600MHz(7)/900MHz(8)/800MHz(18) 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.