vivo Y31 officially: lower middle class with interesting parameters

Yesterday, vivo announced the Y20G model and has now officially introduced another model from the Y – vivo Y31 series. It was originally introduced in 2015, but now, of course, the phone has undergone noticeable changes. So let’s imagine it. vivo Y31 officially The front of the phone is covered by a 6.58 ″ LCD panel with Full HD + resolution, which distorts […]