Display
The Cool S1 offers a 5.5-inch IPS LCD display with a resolution of 1080 x 1920 pixels, resulting in a pixel density of approximately 401 ppi. The screen-to-body ratio of around 73.7% ensures a decent viewing area without going to the edge-to-edge extremes seen in later models. Colors display vibrant depth, and the overall viewing experience is pleasing, suitable for multimedia consumption, gaming, and general use.