CUBOT GT72+ Android 4.4 KitKat 4'' 3G Unlocked Smartphone MTK6572 4G ROM Dual Core Dual SIM Cell Phone + Floureon&reg; TF Card Reader (Red) Android 4.4.2 KitKat with 1.2GHz MTK6572, Cortex A7 Dual-core processor and 512MB RAM + 4GB ROM Dual SIM Card Dual Standby (one micro SIM card); Support OTA wireless system update 2.0MP (Interpolation To 5.0MP) High definition back camera with flashlight, support Full screen mode and Standard (4:3) mode Supports most APK format Android game and applications 4.0 inch large 2-point-touch TFT capacitive screen with 800 x 480 pixels WVGA screen resolution 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.