Coolpad Cool S1

The Coolpad Cool S1 is a sleek and powerful smartphone that was released in December 2016. Running on Android 6.0.1 (Marshmallow) with eUI 5.8, this device features a Quad-core processor with Qualcomm MSM8996 Snapdragon 821 chipset and Adreno 530 GPU. It comes in two variants - one with 128GB of internal storage and 6GB of RAM, and another with 64GB of internal storage and 4GB of RAM.

The phone boasts a 5.5-inch IPS LCD display with a resolution of 1080 x 1920 pixels, providing crisp and vibrant visuals. The screen-to-body ratio is 73.7%, offering a large display area of 83.4 cm2. With a pixel density of 401 PPI and support for 16 million colors, the display ensures an immersive viewing experience.

In terms of connectivity, the Coolpad Cool S1 supports 2G, 3G, and 4G networks, as well as Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 4.1, and GPS. It has a dual SIM card slot, a USB Type-C port, and a 3.5mm headphone jack. The phone also features a rear-mounted fingerprint sensor, accelerometer, and proximity sensor.

The main camera on the Coolpad Cool S1 is 16MP with features like PDAF, dual-LED flash, HDR, and panorama mode. The selfie camera is 8MP, perfect for capturing high-quality self-portraits. The device is powered by a non-removable 4070mAh Li-Po battery, ensuring long-lasting usage.

Overall, the Coolpad Cool S1 offers a solid performance with its powerful processor, ample storage space, and impressive camera capabilities. However, some users may find the lack of expandable external memory and the slightly outdated operating system to be drawbacks.