Vivo X9  Specification, Price and User Review, best deals and where to buy in Nigeria, Kenya, Ghana, Tanzania (Jumia and Konga) and India (Africa and Asia) Major Vivo X9 Specification HighlightNetwork: 2G - Yes, 3G - Yes, 4G - YesOperating System: Android 6.0.1, Marshmallow Processor: 2.0 GHz Octa Core Cortex A53 Display: 5.5 InchesRAM: 4 GBROM (Internal Memory): 64 GB / 128 GB Camera: Back