The OPPO R1001 Joy was announced in 2014, May. Released 2014, May With 4.0 inches, 45.5 cm2 (~58.3% screen-to-body ratio) TFT, Powered by Mediatek MT6572 (28 nm) and running Android 4.2.1 (Jelly Bean), the device delivered smooth performance and multitasking capabilities. Its 3.15 MP rear camera captured crisp photos and 720p@30fps video, while the Li-Ion 1700 mAh, removable ensured long-lasting usage.