Oppo R2001 Yoyo official Pictures. Oppo R2001 Yoyo is a Smartphone of oppo. The Oppo R2001 Yoyo Android Smartphone. Announced May 2014. Features 4.7″ Display, MT6582M Chipset, 5 MP Primary Camera, 2 MP Front Camera, 1900 MAh Battery, 4 GB Storage, 1000 MB RAM. Oppo R2001 Yoyo price starts.