ASUS ZenFone 2 ZE551ML 4GB RAM / 32GB ROM 5.5-Inch 2G / 4G Dual SIM Factory Unlocked International Stock No Warranty (Glacier Gray) Dual-SIM&#xFF1B;3G WCDMA 850 / 900 / 1900 / 2100&#xFF1B;4G FDD-LTE 2100MHz(1) / 1900MHz(2) / 1800MHz(3) / 1700MHz AWS(4) / 850MHz(5) / 900MHz(8) / 700MHz(28) 5.5-inch, Full HD 1920 x 1080 / 403 PPI Display with Corning Gorilla Glass 3 Rear Camera: 13 MP, Auto Focus, LED Flash, PixelMaster; Front Camera: 5 MP, Fix Focus, Wide View, PixelMaster 32GB ROM, 4GB RAM, Supports microSD up to 64GB Intel AtomTM Quad Core Z3580 (2.3 GHz), PowerVR G6430, with OpenGL 3.0 support 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.