Firmware update: Samsung Galaxy A7 SM-A7009 to Android 6.0.1 Marshmallow. The firmware available for downloading https://www.sammobile.com/firmwares/SM-A7009/. You can download your Samsung Galaxy A7 SM-A7009 firmware at the page, available for some countries. How to Root for Samsung Galaxy A7 SM-A7009 is the separated post, this post only for upgrading to Android 6.0.1 Marshmallow.
Tags: Android 6.0.1 Marshmallow, firmware update, Galaxy A7 SM-A7009, stock rom