As Sony has released Android 4.3 Jelly Bean software update for its Xperia series devices, the focus now shifts to Android 4.4 KitKat update, starting from Sony's 2013 flagship smartphone.In December last year, Sony rolled out Android 4.3 update for Xperia Z1 and Z Ultra. Following this, Xperia Z, Xperia ZL, Xperia ZR and Xperia Tablet Z received the latest Jelly Bean firmware.
Earlier this month, the company released Android 4.3 for some of its...