Use a FAT32-formatted USB flash drive (ideally 16GB or smaller) for the best compatibility. How to Install DVR116GF1 Firmware
Insert the drive into the USB port on the front or back of the DVR. Navigate: Go to Menu > Maintenance > Upgrade . dvr116gf1 firmware
firmware file directly in the root directory (not in a folder). Insert & Upgrade: Plug the drive into the DVR's USB port. Go to Main Menu > System > Upgrade , select the file, and click Do Not Power Off: Use a FAT32-formatted USB flash drive (ideally 16GB
If the DVR loses power during an update, the internal software will be corrupted. Use a UPS (Uninterruptible Power Supply) if possible. select the file