Launch day for Samsung’s latest flagship smartphone, the Galaxy S5, has finally arrived. In order to ring in the new generation, Samsung has released another television commercial on its YouTube channel, highlighting a few features of the S5. First we’re given a demonstration of the 16-megapixel camera, a major leap over its predecessor with the ability to record 4K video and auto focus about as quickly as you can get your phone pointed in the right direction. The Galaxy S5 is also equipped with what Samsung is calling Download Booster that allows users to download apps and videos faster than ever by tapping into both Wi-Fi and cellular networks. Unfortunately, this feature appears to be disabled for most U.S. carriers, so unless you’re