Sony Xperia Z5 Dual 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 Sony Xperia Z5 Dual Specification HighlightNetwork: 2G-Yes, 3G-Yes, 4G-YesOperating System: Android 5.1.1, Lollipop upgradable to Android 6.0, Marshmallow. Processor: Octa Core (1.5 Ghz Quad Core + 2.0 GHz Quad Core)