Many were upset that Night mode' went missing on the Nexus 6P and Nexus 5X once the Android Nougat 7.1 beta OTA was installed. After much buzz about the omission of Night mode, Ian Lake from Google spoke about why the feature went missing: "it requires driver support that is no present on Nexus devices," This was about a couple of weeks ago. "Night Light" feature from Google Pixel Many users submitted feedback for the beta (as this is what the program is meant for), and many of them reported the lack of night mode as a bug: saying that night mode should be in the settings, but it...
Source: http://www.gsmarena.com/night_mode_eye_strain_reduction_could_make_a_return_on_nexus_devices-news-21572.php