Samsung has started rolling out a new update to its Galaxy A5 and Galaxy A7(2016) smartphones. Arriving as version A500F1U1CQA1 and A710LKLU1BQA4, respectively, the update brings Android security fixes forJanuary. There's currently no information on what other changes (if any) are included in the update. Given that the roll out has just begun, it may take some time for the update to hit your device, You can manually check for it by heading to your handset's Settings menu. Via
Source: http://www.gsmarena.com/january_security_update_hitting_samsung_galaxy_a5_and_galaxy_a72016-news-23113.php