The Mobile World Congress officially starts on February 22, but announcements will start even earlier than that. Which phone are you most excited about? The Samsung and LG have events set for the day before, the 21st, and obviously, we expect the Samsung Galaxy S7 (along with edge and edge+ variants) and the LG G5. The LG G5 will scale back the screen size a touch, it will add Always On functionality and bring the next generation camera upgrade. The Samsung Galaxy S7 is expected to bring back things the S6 lost - things like S5's water resistance and the microSD slot. Sony's event is scheduled for the next day, the 22nd. But this is too soon for the Xperia Z6, so what then? Well, the Xperia C6 is the rumor mill's best guess. Unlike Sony, Xiaomi's February 24 event is pretty clear - the Xiaomi Mi 5 will be the star. Hugo Barra even posted camera samples from the phone this week. Interestingly, the phone may have a Windows variant so we'll be on the lookout for Microsoft employees. You'll have a week to vote, by that time we'll have arrived in Barcelona. We will attend these events and report first-hand impressions if these devices have lived up to...
Source: http://www.gsmarena.com/weekend_poll_mwc_expectations__what_device_are_you_looking_forward_to-news-16593.php