Sony has launched an affordable handset, the Xperia E4. The smartphone will be made available in the middle of February alongside a dual-SIM variant. No pricing details have been shared yet by the company. Based on Android 4.4.4 KitKat, the Sony Xperia E4 features a 5-inch IPS LCD display with a qHD (540×960 pixel) display, and is powered by a 1.3GHz quad-core MediaTek MT6582 processor coupled...