After the Samsung Galaxy J5 Prime and the Galaxy J7 Prime, another Galaxy J series handset has started receiving the February security update. The device in question is the Samsung Galaxy J5 (2016), and the update arrives as build number J510MNUBU2AQA5. Aside from the Galaxy J5 (2016), the Samsung Galaxy A8 is also getting the latest security patch, which arrives as build number A810FXXU1AQA2. There is currently no information on what other changes (if any) these updates include. Via
Source: http://www.gsmarena.com/february_security_update_starts_hitting_samsung_galaxy_j5_2016_and_galaxy_a8-news-23364.php