The Motorola Moto G4 and G4 Plus smartphones have started receiving the Nougat update in the United States. The update is currently being rolled out as part of a soak test to units on Republic Wireless. As per the information revealed by the carrier on its website, the update carries a build number of NPJ25.93-13, brings Android version 7.0, and also includes Android security fixes for the month of December 2016. If everything goes fine, the final roll out should begin soon. Source | Via
Source: http://www.gsmarena.com/motorola_moto_g4_and_g4_plus_getting_nougat_update_in_us-news-23760.php