The Vivo V9 Youth mobile features a 6.3 ( 16 cm) display with a screen resolution of 1080 x 2280 pixels and runs on Android v8.1 ( Oreo) operating system. The device is powered by Octa core, 1.8 GHz, Cortex A53 processor paired with 4 GB of RAM. As far as the battery is concerned it has 3260 mAh. It is very good phone