Samsung may have overshot its expectations with the Galaxy S5. According to a new report published by the Wall Street Journal, the South Korean tech company sold 4 million fewer Galaxy S5 units than Galaxy S4 units. The report claims that Samsung sold 12 million Galaxy S5 units during the first three months of its release and 16 million Galaxy S4 units during thee first three months of its initial release. This is disturbing news for Samsung, who many people view as the leading smartphone maker. With sales slipping, we’ll likely see some changes occurring within the upcoming months. So, does this mean the end for Samsung’s smartphone business? Not by a long shot. Yes, Samsung experienced fewer Galaxy S5 sales than predicted, but it’s still a phenomenal smartphone that ranks among the leading mobile devices currently on the market. The Galaxy S5 had numerous improvements over the Galaxy S4, including the use of a dust/water-resistant IP67 shell. Samsung was one of the first smartphone makers to include such a design in its standard flagship smartphone — a move that attracted a large number of consumers. There’s a reason why you’re seeing more and more television commercials, radio adverts, and…