Oppo A77 comes with 6.56 inches HD+ IPS LCD screen. It has a left watrdrop notch front camera design. The back camera is of dual 50+2 MP with PDAF, depth sensor, f/1.8 aperture etc. and Full HD video recording. The front camera is of 8 MP. Oppo A77 comes with 5000 mAh battery with 33W fast charging. It has 4 GB RAM, up to 2.3 GHz octa-core CPU and PowerVR GE8320 GPU. It is powered by a MediaTek Helio G35 (12 nm) chipset. The device comes with 128 GB internal storage and dedicated MicroSD slot. There is a side-mounted fingerprint sensor in this phone.
Among other features, there is Dual SIM, face unlock, USB Type-C etc.