Lenovo S8 S898T+ Unlocked Smartphone (with 16GB TF) MTK6592 Octa Core RAM 2GB ROM 16GB 5.3 Inch Android 4.2 IPS Screen 1280x720 13MP GSM Network (Grey + 16GB TF Card) OS: Android 4.2 &lt;br&gt; CPU: MTK6592 8 Core 1.4GHz; GPU: Mail-450 MP4 RAM 2GB, ROM 16GB. TF card up to 32GB (not included) Camera: Dual cameras. Front: 5.0MP, Back: 13.0MP (with LED flash) Display: 5.3 inch IPS Capacitive 1280 x 720, 16M GPS: built in, also support A-GPS with EPO assistance to speed up positioning Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.