The Snapdragon-based Galaxy Note 4 units across Europe are now getting a new firmware update. It's still based on the Android 6.0.1 Marshmallow OS, which was seeded earlier in May. The build date on this one is May 25, here is its change log: Battery usage optimization Improved performance with efficient memory management Improved stability The new update weighs about 340MB and users across Italy, Greece, Germany, France, Luxembourg, Bulgaria, among others, are reportedly receiving it. We have no information about a similar update for the Exynos model of the Note 4...
Source: http://www.gsmarena.com/samsung_galaxy_note_4_gets_an_update_with_lots_of_improvements-news-18821.php