Model: U11C CPU: MTK2502C Smartphone OS Compatibility: Android 4.3 or above, i OS 7.0 or above SIM type: 1 SIM Card 1 Standby (Micro SIM card) 2G Network Frequency: GSM 850 / 900 / 1800 / 1900 MHz Bluetooth: 4.0, 3.0 RAM: 64MB ROM: 128MB Camera: 0.3MP Screen