Vivo has expanded its smartphone portfolio with the launch of ViVo Y21L 4G. Under the hood, it packs a 1.2GHz quad-core MSM8916 processor coupled with 1GB of RAM. The phone runs Android 5.1 Lollipop with FunTouch OS 2.5 and features a 4.5-inch FWVGA display with 854×480 pixels resolution.













