You are likely trying to install firmware meant for a different hardware revision (e.g., a 4-channel file on an 8-channel NVR).
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.
Keeping your network equipment updated is essential for both performance and security. If you are looking for the , you are likely trying to update a wireless NVR (Network Video Recorder) or a specific wireless bridge component used in CCTV systems.
Firmware acts as the operating system for your hardware. For a device like the JA-8108-W, staying current provides: