I'm thinking of buying Samsung Galaxy S5 SM-G900F Black (FACTORY UNLOCKED) 5.1" Full HD 16MP IP67. 5.1", Android OS v4.4.2 (KitKat), microUSB v3.0 (MHL 2), USB On-the-go, USB Host, Wi-Fi, Unlocked,G900F-16-B,9SIA6VG2987518,View Return Policy. I would like to have a fast and smooth phone with good software, long software support and a nice camera. Is Samsung Galaxy S5 SM-G900F Black (FACTORY UNLOCKED) 5.1" Full HD 16MP IP67 worth the money $438.99? Any reviews?