MTK6577 1GHz Dual Core, 1GB RAM+4GB ROM, back 8MP, front 2MP camera, Dual sim ... cards *MTK6577 1.0GHz Dual Core, 1GB RAM+4GB ROM*Android OS 4.0 *4.5" HD 1280 ... 2100MHzOperating System:Android 4.0CPU:MTK6577 1Ghz Dual CoreBuilt-in Memory:4GB ROM + 1GB RAMMemory Slot Type:supports Micro SD ... /T-Flash memory card & expand up to 32GB SIM Card & Standby: ...