We exclusively reported about a month ago that Samsung has started working on the Android 7.0 Nougat update for the Galaxy A (2016) series. Australian carrier Optus started testing this update for the Galaxy A5 (2016) just a few weeks ago. Samsung is also testing said update for the Galaxy A5 (2016) and the Galaxy A3 (2016). Both handsets have been spotted on GFXBench running Android 7.0 Nougat.
It's a good sign that Samsung has started testing the Nougat update for these devices. Those who own one should hold on to hope that the company will release Nougat for the Galaxy A (2016) fairly early in 2017. It goes without saying that this series will only get Nougat after Samsung has released it for its flagship devices. Samsung recently said that it's going to try and release Nougat to the public for the Galaxy S7 and Galaxy S7 edge by the end of January.
There's good reason to believe now that the Galaxy A (2016) series will receive said update soon after the flagships are taken care of.
