While the Samsung Galaxy S4 mini was announced on Thursday, two other variants sharing the Galaxy S4 prefix are also expected to launch soon. A new report by Hi-Tech.mail.ru reveals purported specifications of the camera focused Galaxy S4 Zoom and the ruggedized Galaxy S4 Active smartphone. According to the site, the Galaxy S4 Zoom will feature a 4.3-inch Super AMOLED display with a resolution of 540×960...