Oppo F21 Pro has a 6.43 inches Fluid Full HD AMOLED display with a 90Hz refresh rate. It has its front camera beautifully placed in the most convenient place. It has a Triple(50+8+2 MP) camera arrangement at the back with multi-directional PDAF, wide, microscope, depth, and Main Camera Features are LED flash, HDR, panorama, etc., and Ultra HD video recording which is the same setup. The main camera is a 64 MP camera with an f/1.7 and 26mm (wide)lens. The microscope camera has a 2 MP, f/3.3 lens, and The depth camera has a 2 MP, f/2.4 lens. The main or back camera can record 1080p video at 30fps. It has Night Mode but there is no autofocus. Oppo F21 Pro has a front camera of 32 MP with f/2.4, 24mm (wide) lens. The front camera records 1080p with 30FPS and has gyro-EIS, Panorama, and HDR.
It comes with a 4500 mAh Li-Po battery with 33W fast charging which is decent. You can buy this phone with 8 GB RAM, up to Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) CPU, and Adreno 610 GPU. The phone is powered by a Qualcomm SM6225 Snapdragon 680 4G (6 nm) chipset. The phone comes with 128 GB internal storage but there is no MicroSD slot in this phone. There is also an optical (under display, optical) sensor in this phone which is standard.
Oppo F21 Pro has all the other regular features like Dual SIM. accelerometer, gyro, proximity, compass, USB Type-C 2.0, OTG, etc. Oppo F21 Pro 8GB RAM lets users save important documents and favorite games within a 128GB expandable internal storage. This is the best version as 8GB RAM is good enough for most of the things you'd supposed to do on your smartphone. Users can also play high-quality mobile games like PUBG, Free Fire, and COD successfully without any lag or delay providing that they have a decent internet connection.