Warning: Those flash file, ROM and firmware use to Restore, Unbrick, Format, Update and Repair some Samsung Galaxy On7 (2016) SM-G610M software problem and it will clean everything on your smartphone so you have to backup your data, don’t try to flash your device with this firmware if it work prefect. if you use pit file please make sure 16GB, 8GB or other size Pit file, Because the 8GB Pit file don’t work with 16GB or other size Pit file and the same for 16GB or 32GB Pit File make sure you use the Correct ROM for your device.
To flash your Samsung galaxy On7 (2016) SM-G610M smartphone, you need Odin software made available to the Samsung Galaxy users for flashing a range of things including firmware, custom recovery, CF-Auto-Root and more. Odin software performs a clean install that means; it removes the old firmware and flashes a new one. If you don’t know how to flash you Samsung firmware via Odin read this article.
Backup your data before start flashing you smartphone if you don’t know how backup your data read those Articles,
You are flashing at your own risk.
Firmware, flash file and ROM Samsung Galaxy On7 (2016) SM-G610M
From here ZTO-G610MUBU1API6.zip Android 6.0.1 Marshmallow
From here COM-G610MUBU1API5.zip Android 6.0.1 Marshmallow
Please: If any download link not working inform me by comment.