Whenever we are faced with an important technology event, such as the Mobile World Congress, some companies are able to introduce into their smartphone innovations surprising. A prerrogativa it has set ZTE that with its latest device is able to attract attention to her, despite the hardware components are not so lofty – always taking into account the devices presented at the event.  ZTE Grand S3 has a display of 5.5 inch FHD, processor Qualcomm Snapdragon 801, 3GB RAM and a sensor that particular way to unlock the homescreen with iris scans instead of using a system