Samsung starts rolling out December Android Security Patch on Galaxy A5(2016). The Update weighs around 11MB in size which brings the firmware version to XXS3BPLA. The update is currently hitting the Phone units in Europe.
As this is an OTA update. So if you did not get the notification for the update yet then don’t panic. It will reach you in couple of days. Moreover, Samsung Galaxy A5(2016) secuirty update will roll out in other markets as well.