Samsung has started rolling out a new update to its Galaxy Note 4 and Note Edge smartphones. Currently rolling out in Europe and hitting the international variant of the devices, the update brings Android security patch for September as well as support for Samsung Cloud. As is usually the case with OTA roll-outs, it may take sometime for the update to hit your device. If you feel impatient, you can manually check for the update by heading to your handset's Settings menu. Via
Source: http://www.gsmarena.com/samsung_galaxy_note_4_and_galaxy_note_edge_getting_september_security_update-news-20867.php