ZTE's Axon 7 has so far managed to do pretty well in the market, playing OnePlus' game of offering very good specs in a package that's priced like a mid-ranger. The Axon 7 is however still running Android 6.0.1 Marshmallow, so you may be wondering when (or if) to expect an update to the newer and tastier Nougat. Thankfully, ZTE's German arm has actually answered that question today, through its Twitter account. The company is announcing that the Axon 7 will receive an update to Android 7.0 Nougat at some point in January 2017. That's certainly not the fastest turnout for a new Android...
Source: http://www.gsmarena.com/zte_axon_7_will_receive_android_70_nougat_update_in_january-news-21569.php