Navigate to System Setup > System Admin > System Version .
If you can tell me the on the front of your NVR or the current build date in your settings, I can help you find the specific download link. ja-8108-w firmware
Resolves issues with HDD recording or UI freezes. Navigate to System Setup > System Admin > System Version
Ensure the USB is FAT32 and the file isn't inside a zip folder. making it unusable.
Look for the "Hardware Version" and "Build Date." This ensures you don't downgrade to an older version by mistake. Step-by-Step Update Guide
Before downloading any files, you must verify your current hardware version. Installing the wrong firmware can "brick" your device, making it unusable.