Vivo S1 is the company's new sub-Rs.20,000 offering that comes with a stylish look, and some promises. But is it really worth buying? Today, we'll find out. The Vivo S1 competes in a crowded smartphone segment right now, with a starting price of Rs. 17,990. Vivo S1 features a slightly premium design and comes with an in-display fingerprint sensor. It features three rear cameras, a 32-megapixel selfie camera, and supports 18W fast charging.We decided to try it out and see if it's the best new smartphone under Rs. 20,000 right now. In this video, we'll tell you all about our experience with the Vivo S1. We will tell you what we discovered about the phone's display, performance, battery, cameras, and other aspects. By the end of the video, you'll see our ratings and things we liked (and what we didn't).