Sony has officially unveiled the successor of Xperia Z1 at the Mobile World Congress 2014. Known as 'Sony Xperia Z2', it is powered by a quad-core 2.3GHz processor wth 3GB of RAM and 16GB of internal memory. The phone is available in three shades: Purple, White and Black. Know more about the Sony Xperia Z2 here – http://mobiles.maxabout.com/sony/xperia-z2