It looks like Xiaomi is working on a new flagship for people who don’t like big screens, named Xiaomi Mi S with a 4.6 inch display. This information is found on a couple of images that were posted on Weibo by @C数码猫 (C Digital cat). On these images we can see it is expected that the Xiaomi Mi S is expected to feature a 4.6-inch 1080p display, a Snapdragon 821 processor, 4GB of RAM, and 128GB of UFS 2.0 storage. It will come with a 2600mAh battery with Quick Charge 3.0 and will feature a 12 megapixel rear camera and a 4 megapixel front camera.
Concerning the camera. it will have dual LED flash and is a Sony IMX378 sensor with PDAF, f/2.0 aperture and an 80° viewing angle. The camera will be able to shoot 4K videos at 30fps and 1080p videos at 120fps. The phone will support 4G+, 4G, 3G,and 2G networks. It will also have NFC, dual WiFi band support, WiDi, and WiFi Direct.
The simple design of the Xiaomi Mi S gives the smartphone the following dimensions: 8.2mm thick, 128.3mm in length and 64.2mm in width.