Samsung's low-cost Galaxy A-Series phones aim to reverse U.S. smartphone slump

While its thousand-dollar-plus flagship phones might get all the attention, Samsung's best-selling phone of 2019 wasn't the Galaxy S10 or the Note 10+, it was the $350 A50. Now, with a global smartphone slump that has hit the Galaxy S20 hard, Samsung is doubling down on that strategy. Update 4/9: This article has been updated with specs and buying information for the A01 and A51.