Sony has added a new name to the list of devices that are part of its Open Device Program. The newly-added device is the Xperia XZs. This means that now you can build and flash custom versions of Android Nougat on the phone. For those who aren't aware, the Open Device program provides you access and tools to build and test your custom software on a range of Sony devices. The Japanese company provides build guide as well as the necessary software binaries that are required in order to get started. Source | Via
Source: http://www.gsmarena.com/sony_xperia_xzs_now_part_of_companys_open_device_program-news-24737.php