Latest in the Galaxy S series is dust and water resistant and uses a finger print scanner. Technology giant Samsung has unveiled its much anticipated Galaxy S5 flagship smartphone at the Unpacked event, hosted at the MWC in Barcelona tonight.The S5 is said to combine an "advanced camera, the fastest network connectivity, dedicated fitness tools and enhanced device protection features" to supply users with a refined experience for day-to-day use. The company stresses that it is listening to customer voices and it designed the device bearing in mind what matters most to people.