Sony best Android Phone Xperia Z4 comes with Dual Nano-SIM and runs latest Android 5 operating system with. It has 5.2 inches large display having 2560 x 1440 pixels Screen resolution. The Xperia Z4 smartphone has Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57 processor, Qualcomm MSM8994 Snapdragon 810 with Adreno 430 GPU paired with 3GB of RAM and 32/64 GB internal memory options which can be further extended externally up to 64 GB. The Xperia Z4 Dual SIM has 20.7 MP, continuous auto-focus, image stabilization, LED users are able to record 1080p@30fps and has 5MP front camera. The smartphone is energized by Non-removable Li-Po battery. The handset support 2G, 3G and 4G LTE.