Features of Asus Zenfone 4 Selfie ZD553KLGeneral Network 4G Micro SIM Yes Dual SIM Yes Nano SIM Yes Touch-screen Yes Qwerty No Fingerprint Sensor Yes Display Screen Size 5.5 inch Screen Resolution 1280 X 720 pixels Display Type IPS LCD Memory Internal Memory 64 GB External Memory 256 GB RAM 4 GB Camera Primary Camera 16 MP Secondary Camera 8 MP Primary Video Quality 1080 p Flash Yes Connectivity WIFI Yes Radio Yes GPRS Yes USB Yes Bluetooth Version 2.0 With A2DP OS OS Android OS Version Android 7.0 Nougat Processor Processor Type Octa Core Processor Speed 1.4 Ghz Chipset Qualcomm MSM8937 Snapdragon 430 GPU Adreno 505 Battery Battery Type Li-ion Battery Capacity 3000 mAh Sound 3.5mm Jack Yes Loudspeaker Yes Body Height 75.9 mm Width 155.7 mm Thickness 7.9 mm Weight 144 g Type Bar