Vivo just announced its Y7s smartphone for India with a different name - vivo S1. Way more manageable to be honest. But we are not here to talk about the different aliases of the phone. Instead, we will take a closer look at the device in person and see what's all about. The vivo S1 is a mid-range phone with some 2019 features. An improved MediaTek Helio P65 chipset sits behind the wheel based on the 12nm manufacturing process and it's paired with either 4 or 6GB of RAM depending on the configuration you choose. Internal storage is always 128GB, though, which is pretty generous,...