Firmware update: Samsung Galaxy J5 SM-J510UN Android 6.0.1 Marshmallow. The firmware available for downloading https://www.sammobile.com/firmwares/database/SM-J510UN/. You can download your Samsung Galaxy J5 SM-J510UN firmware at the page, available for some countries. How to Root for Samsung Galaxy J5 SM-J510UN is the separated post, this post only for upgrading to Android 6.0.1 Marshmallow.