Samsung galaxy a5( 2016) is very primium smartphone compare to earlier Samsung galaxy A5 because Some of features are updated well like
It has 5.2 inch display and Android v5.1.1 lollipop is coming and it can be updated to 6.0 marshmallow in future and it’s 13mp back and 5mp front facing camera and it’s cpu is Snapdragon 615 process with 2gb Ram and it have additional future like fingerprint scanner and the most important point that you can run dual simp and micro sd card together
Great deal best of luck