Oppo Reno4 Pro official Pictures. Oppo Reno4 Pro is a Smartphone of oppo. The Oppo Reno4 Pro Android Smartphone. Announced Jul 2020. Features 6.5″ Display Snapdragon 720G Chipset 4000 MAh Battery 256 GB Storage 8 GB RAM Corning Gorilla Glass 5. Oppo Reno4 Pro price starts.