The Vivo Y31 (2015) was announced in 2015, September. Released 2015, October With 4.7 inches, 60.9 cm2 (~64.5% screen-to-body ratio) IPS LCD, Powered by Mediatek MT6580 (28 nm) and running Android 5.1 (Lollipop), Funtouch 2.1, the device delivered smooth performance and multitasking capabilities. Its 8 MP rear camera captured crisp photos and 720p@30fps video, while the Li-Po 2100 mAh, removable ensured long-lasting usage.