A couple of weeks after its Chinese debut as the Y7s, the vivo S1 has made its way to India. The device packs a compelling spec sheet with a 6.38-inch Super AMOLED display, triple camera setup and large battery starting at INR 17,990 ($253) for the 4GB RAM and 128 GB storage version. Upfront, we have a 6.38-inch FHD+ Super AMOLED display with a UD fingerprint scanner and notch for the 32MP selfie cam. Under the hood, the S1 packs the MediaTek Helio P65 chipset paired with 4 or 6GB RAM and up to 128GB storage. The camera department features a triple sensor array with a 16MP F/1.78...