OPPO has launched its new smartphone named OPPO F21 PRO in Bangladesh. Oppo F21 Pro is a smartphone from Oppo, which comes with several advanced features. It has a high-resolution screen and is powered by an octa-core processor. It supports the RAM expansion feature, which means you can increase physical memory to improve the speed of your day-to-day tasks. In our experience, the Oppo F21 Pro has a great set of specs. While this phone's performance is respectable for the price, we'd have preferred a higher refresh rate display. Otherwise, it handled day-to-day activities without lag or performance issues.