…I can help you locate the firmware source or give step-by-step update instructions.
There are three common ways to install firmware on this device: Via Web Browser : Access the DVR's IP address, navigate to Configuration > System > Maintenance , and upload the firmware file from your computer. Local USB Upgrade : Save the dvr-116g-f1 firmware
the flash drive into an available USB slot on the back of the DVR. …I can help you locate the firmware source