It seems like, with every month that passes, Samsung is getting better (and faster) at pushing out Android's monthly security updates to its flagship devices. This month, the September patches have started rolling out to unlocked Galaxy S7 and S7 edge units in Europe even before Google made the security bulletin official. And now, just two days later, a carrier version of an old flagship Samsung smartphone is receiving the update too. We're talking about T-Mobile's Galaxy Note5, which is in the process of getting updated to build N920TUVS4DPH2, as showcased by the screenshots...
Source: http://www.gsmarena.com/tmobiles_galaxy_note5_is_receiving_the_september_security_fixes-news-20417.php
