Oppo A77s has a 6.67 inches Fluid Full HD IPS LCD display with a 90Hz refresh rate. It has its front camera beautifully placed in the most convenient place. It has a double(50+2 MP) camera arrangement at the back with PDAF, panorama LED flash, HDR, etc., and Ultra HD video recording which is the same setup. The main camera is a 50 MP camera behind the f/1.8 lens. the main or back camera is able to record 1080p video. It has Night Mode but there is no autofocus. Oppo A77s has a front camera of 8 MP. The front camera is recording 1080p with 30FPS and it has Panorama.
It comes with a 5000 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 and there is a MicroSD slot in this phone. There is also an optical fingerprint(side-mounted) sensor in this phone which is standard.
Oppo A77s has all the other regular features like Dual SIM. accelerometer, proximity, compass, USB Type-C 2.0, OTG, etc. Oppo A77s 8GB RAM lets users save their important documents and favorite games within a 128GB expandable internal storage. This is the best variant to go for as 8GB RAM is good enough for most of the things you'd expect to do on your smartphone. Users can also play high-quality mobile games like PUBG and free fire, COD smoothly without any lag or delay providing that they have a good internet connection.