The OPPO A78 is a mid-range smartphone that features the OPPO Glow design, a 6.56-inch HD+ display with 90Hz screen refresh rate, 50MP + 2MP dual rear cameras, and an 8MP selfie camera. It runs on a MediaTek Dimensity 700 processor with 8GB of RAM, Android 12 OS, and ColorOS 13 interface. There's also 5G connectivity, dual-band Wi-Fi, stereo dual speakers, and 128GB of expandable storage. A large 5,000mAh battery powers the device with 33W SUPERVOOC fast charging via USB Type-C