
vivo introduced the Y31 with a 4.7" HD screen, big bezels, and a single rear camera back in September 2015, and the company will soon follow it up with a new version, posters of which have surfaced revealing its design and specs. The new vivo Y31 packs a FullHD+ notched display surrounded by slimmer bezels. Around the back, it has a triple camera with the main shooter using a 48MP sensor. The new Y31 features a side-mounted fingerprint scanner and will ship with a 5,000 mAh battery charging at up to 18W. The smartphone will come in at least two colors and have 6GB RAM and 128GB storage...
Source: https://www.gsmarena.com/vivo_y31_specs_design_poster-news-47162.php