Sony Xperia Z2 was released in the first half of year 2014. It has a 5.2″ IPS LCD display, with a resolution of 1920×1080. it’s powered by a Qualcomm Snapdragon 801 processor, with 3GB of RAM, 16GB internal storage and a microSD slot. The Z2 has a 20.7MP camera, with 4K video recording at 60 frames/second. All this is powered by a 3200mAh battery.
Xperia Z2 has not received the official Android Marshmallow update yet. However using AOSP ROM, Z2 users can experience Android Marshmallow on their device. This is a fully functional ROM with very few bugs. A detailed guide on how to install this ROM on Xperia Z2 is given below.