Oppo K15s, K15x Launched With Up to 8,000mAh Batteries, 120Hz Displays: Price, Features

Oppo has added two more smartphones to its K15 lineup in China, with the K15s and K15x bringing different display and camera configurations to the series. The Oppo K15s uses a 6.57-inch AMOLED panel with a 120Hz refresh rate and a 50-megapixel rear camera. The Oppo K15x gets a larger 6.75-inch LCD screen and a 13-megapixel rear camera. Both models feature MediaTek chi...