Samsung Galaxy Note5 single sim version started receiving the Nougat update last month, and now its the dual-SIM version to get the latest nougat update.
Currently hitting units with model number SM-N9208 and arriving as build number N9208XXU3CQC6, the update brings along Android Nougat 7.0. In addition, it also includes Android security fixes for March.
Once the Nougat has been installed, users of Galaxy Note 5 Duos will be greeted with a handful of new features viz split-window mode, improved menu settings, improved user interface and notification controls. The OTA update should reach your device soon if it hasn’t already. Or instead of waiting you can check for it manually by going to Settings > About device > System updates.