A couple of ZTE phones have received WiFi certification from the WiFi Alliance (WFA). Carrying the model numbers Z852 and N9137, respectively, the devices run Android Nougat (version 7.1.1). Sadly, and as is usually the case, the WFA listings for these handsets doesn't reveal anything else. However, given that the phone's have started collecting necessary certifications, we expect to hear more about them sooner than later. Source 1 2 | Via
Source: http://www.gsmarena.com/new_nougatpowered_zte_phones_get_wifi_certified-news-25870.php