Vivo Y31 smartphone has a 6.58-inch touchscreen display with a resolution of 1080×2408 pixels and an aspect ratio of 20:9. Vivo Y31 is powered by an octa-core Qualcomm Snapdragon 662 processor. It comes with 4GB of RAM. The Vivo Y31 runs Android 11 and is powered by a 5000mAh battery. The Vivo Y31 supports proprietary fast charging. As far as the cameras are concerned, the Vivo Y31 on the rear packs a 48-megapixel primary camera with an f/1.79 aperture; a 2-megapixel camera with an f/2.4 aperture, and a 2-megapixel camera with an f/2.4 aperture. The rear camera setup has autofocus. It sports a 16-megapixel camera on the front for selfies with an f/2.0 aperture. The Vivo Y31 runs Funtouch OS 11 is based on Android 11 and packs 128GB of inbuilt storage. The Vivo Y31 is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Vivo Y31 measures 163.86 x 75.32 x 8.38mm (height x width x thickness) and weighs 188.00 grams. It was launched in Ocean Blue and Racing Black colours. Connectivity options on the Vivo Y31 include Wi-Fi, GPS, Bluetooth v5.00, USB OTG, USB Type-C, FM radio, 3G, and 4G. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, proximity sensor, and fingerprint sensor.