Go to . Browse for the file on your computer and click Upgrade . Online/Mobile Upgrade :

For the , the firmware controls everything:

The most significant threat to a DVR-116G-F1 is not hardware failure but firmware obsolescence. As technology moves forward, three major problems arise for outdated devices. First, . Smartphone operating systems (Android/iOS) update frequently; an old DVR firmware using deprecated network libraries may no longer connect to the manufacturer’s current app, leaving the user unable to view live feeds remotely.

: To check your current version, log into the web interface and navigate to