Plug the USB into the DVR/NVR. Navigate to Main Menu > System > Upgrade . Execute: Select the file and click "Start."
Before downloading, you must confirm your hardware matches this specific firmware version. System Menu : Log into your DVR/NVR and navigate to [System Info] > [Version] Hardware ID : Look for a string similar to BLK5008A-S . Your current version should start with if you are looking to upgrade to Physical Inspection : If the unit cannot boot, check the motherboard for a printed hardware model or version number. Step-by-Step Installation Guide v403r11 h264 h265 dvr nvr firmware work download hot
| Error Message | Solution | |---------------|----------| | “File mismatch” | Rename file to update.img and retry | | “Update failed. Reboot.” | Your chipset is incompatible. Revert to v403r09. | | “No USB device” | Try a different USB 2.0 port; remove all other peripherals | | “Checksum error” | Redownload file – it's corrupted | Plug the USB into the DVR/NVR