Both new devices ship with Android 5.0 Lollipop and are waterproof (IP65 & IP68) & dust-tight.
Sony Mobile Communications (Sony Mobile) introduced its class-leading Xperia Z4 10.1-inch tablet, and its mid-range Xperia M4 Aqua smartphone at Mobile World Congress 2015 in Barcelona, Spain.
Xperia Z4 tablet
Sony boasts that the Xperia Z4 is the world’s lightest and slimmest 10-inch tablet, as well as the world’s brightest 10.1-inch 2K display (2560 x 1600 pixels), with a long battery life for up to 17 hours of video playback.
The Xperia Z4 measures 167 x 254 x 6.1mm and weighs 389g for the Wi-Fi version (393g for Wi-Fi + LTE version).
The Android 5.0 Lollipop tablet runs on a 2GHz Qualcomm Snapdragon 810 octa-core 64 bit processor with 3GB RAM and 32GB internal memory, with up to an additional 128GB through the microSD card slot.