Vivo Smart Technology Y21 will be available on the market. The Vivo Y21 will use the Qualcomm Snapdragon 450. The smartphone is powered by a 5000 mAh battery. Vivo Smart Technology Y21 will be available on the market. The price range for the smartphone will be in the middle. The Vivo Y21 will be powered by the Qualcomm Snapdragon 450,