Firmware update / Stock ROM : Samsung Galaxy On7 Prime SM-G611M/DS to Android 7.1.1 Nougat. The firmware available for downloading https://www.sammobile.com/firmwares/SM-G611M/. You can download your Samsung Galaxy On7 Prime SM-G611M/DS firmware at the page, available for some countries. How to Root for Samsung Galaxy On7 Prime SM-G611M/DS is the separated post, this post only for • Read More »