Firmware update: Samsung Galaxy J5 SM-J510S Android 6.0.1 Marshmallow. The firmware available for downloading https://samsung-firmware.org/model/SM-J510S/. You can download your Samsung Galaxy J5 SM-J510S firmware at the page, available for some countries. How to Root for Samsung Galaxy J5 SM-J510S is the separated post, this post only for upgrading to Android 6.0.1 Marshmallow.