Galaxy C5, Galaxy C7, and Galaxy C9 Pro are the devices likely to get Android 7.0 Nougat update pretty soon. The information came from Twitter tipster @mmddj_china stating that all Samsung has started testing Android 7.0 Nougat on these Smartphones.
Android 7.0 Nougat for Samsung devices brings a whole new UI, latest Android security patch, and other usual Nougat goodies including Doze, new emojis, and more.
That said, there's no exact date on when Samsung will be rolling out Android 7.0 Nougat for these three devices. We will let you know once the update is out.