Oppo K14 Turbo and Oppo K14 Turbo Pro will be launched by the smartphone maker in China in April, a tipster claims. The two phones are expected to be powered by the flagship octa core MediaTek Dimensity 9500 chipset, which is built on a 3nm process. The Oppo K14 Turbo series is said to go on sale in China in 12GB+256GB, 12GB+512GB, and 16GB+512GB RAM and storage confi…