Most K8204-W modules support OTA (Over-The-Air) updates. This is the simplest method:
Method 2: Manual Update via USB or BrowserIf your system is not connected to the internet or the cloud service is unavailable, you must update manually.
k8204w_fw_[version]_[date].bin Example: k8204w_fw_v2.1.4_20260310.bin
Store this .bin file in a safe location. To restore, simply use write_flash as shown earlier.
Place the file on a FAT32-formatted USB drive and plug it into the NVR.
What Is a Firmware Update and Why Is It Important | NinjaOne