Features of Vivo X20General Network 4G VoLTE Dual SIM Yes Nano SIM Yes Touch-screen Yes Qwerty No Display Pixel Density ~402 ppi density Screen to body ratio 79.5% Screen Size 6.01 inch Screen Resolution 2160 X 1080 pixels Display Type AMOLED Features Fingerprint Unlock Yes Memory Internal Memory 64 GB External Memory 256 GB RAM 4 GB Camera Dual Rear Camera Yes Rear Camera 12 MP Rear Camera (2nd Lens) 5 MP Front Camera 12 MP Video Recording Rear Camera Video Quality 1080 p Connectivity WIFI Yes Radio Yes GPRS Yes NFC Yes USB Yes Bluetooth Version 5.0 With A2DP OS OS Android OS Version Android 7.1.1 (Nougat) Processor Processor Type Octa Core Processor Speed 2.2 Ghz Chipset Group Snapdragon 660 Chipset Details Qualcomm SDM660 Snapdragon 660 (14 nm) GPU Adreno 512 Battery Charging Fast Charging Battery Type Li-ion Battery Capacity 3250 mAh Sound 3.5mm Jack Yes Loudspeaker Yes Body Type Bar