To download the free firmware for the Wireless NVR, you should use the official Zosi Help Center . As of April 2026, the latest available version is V1.7.4 . Official Download Links
: Unplug the power and mouse from the NVR. Insert the USB drive into a rear USB port. zosi zr08jp firmware download free
Re-plug the power supply. The system should start the upgrade automatically once powered on. : The process typically takes 5–6 minutes . Do not unplug the power during this time. : Once finished, navigate to Main Menu > Information > System to confirm the firmware version is updated. Zosi Help Center Support Important Precautions Model Check : Ensure your NVR's model is exactly To download the free firmware for the Wireless
model. Avoid third-party sites, as incorrect firmware can brick your device. Latest Version (V1.7.4): ZR08JP Wireless NVR V1.7.4 Upgrade File Previous Version (V1.6.5): ZR08JP Wireless NVR V1.6.5 Upgrade File 3. How to Install the Update Insert the USB drive into a rear USB port