Nokia Lumia 720 mobile was launched in April 2013. The phone comes with a 4.30-inch touchscreen display offering a resolution of 480x800 pixels at a pixel density of 217 pixels per inch (ppi). Nokia ...
BlackBerry, earlier called Research in Motion, is a Canadian smartphone-maker that made a name selling QWERTY devices, but is struggling to stay relevant in a world dominated by iOS and Android. After ...