Even fish are lining up to buy the GS5. Ron Amadeo The Wall Street Journal has given us the first glimpse of the Galaxy S5's first-month sales data. Samsung's new smartphone sold 11 million units in its first month, which is a 10 percent increase over the Galaxy S4's first month. Samsung Electronics recently recorded its second consecutive quarter of declining profits, so the higher sales of the S5 will no doubt be a welcome sight for the company.