Galaxy On5 2015 Marshmallow COMING SOON !!

The Korean models already run the Android 6.0 version, as per documents at Wi-Fi certification agency.
-- source and image

So, it shouldn't far. After all, the original Galaxy S7 Marshmallow is our too.
For better links of firmware, keep an eye on this firmware page.

from xda-developers http://ift.tt/298eO9z
via IFTTT