We have stumbled upon a new listing on the website of China’s certification agency, TENAA. In the listing a Xiaomi device is listed as Xiaomi 2016051. However, this might not be the much speculated Xiaomi Mi 5S which is set to be announced at an event in China tomorrow. 
As per the TENAA listing, the Xiaomi 2016051 has a 5 inch full HD display with 1920 x 1080 resolution, a 2.0 GHz deca-core processor (most probably the MediaTek Helio X20 / X25 Soc) and 2GB RAM. It offers 16GB of internal storage, 32 GB expandable storage slot, a 13 megapixel rear camera, a 5 megapixel front camera and a 4000 mAh battery. Xiaomi 2016051 also comes with fingerprint sensor, which is located below the rear camera.
The phone runs on Android 6.0 Marshmallow operating system based MIUI interface and the images reveal that it has Gold and Silver color versions. Connectivity options of the device include dual SIM, 4G-LTE, Bluetooth, WiFi, GPS/A-GPS and a Micro USB 2.0 port. The phone is 151 mm tall, 76.3 mm wide and 8.54 mm thin and it weighs 176.54 grams, according to the TENAA listing.