Introduction
The Coolpad Cool S1, introduced in December 2016 and released in January 2017, represents a collaboration between Coolpad and LeEco, bringing a blend of mid-range and high-end features to the market at a competitive price point. While it is now discontinued, the Cool S1 still offers insights into the transitional smartphone trends during its release period. Given its specifications and features, it aimed at combining performance with a reasonably premium feel.