Last month, Samsung jacked up the price of two of its flagship smartphones by $100. Now, its two new midrange models—the Galaxy A37 5G and Galaxy A57 5G—are getting $50 price bumps, despite minor hardware updates over last year's Galaxy A36 and A56. Samsung has also trimmed the lineup—there's no successor to the Galaxy A26 this year, at least not yet. These price increases may be indicative of the...