(e.g., V4.02.R11.00031120.12001.130000.00000 )

: Avoid placing the recorder directly on a public DMZ. Use an encrypted local VPN tunnel to view your cameras remotely.

The firmware version a common update for various H.264 and H.265 DVRs and NVRs, primarily those built on Hisilicon SoC chipsets such as the Hi3520A, Hi3521A, Hi3531, or Hi3536

This firmware is intended for hybrid DVRs and NVRs that support both H.264 and H.265 compression. Please verify your current hardware version in the System Info menu before upgrading.

The is a critical software baseline used globally across millions of Hisilicon SoC-based digital video recorders (DVRs) and network video recorders (NVRs). Commonly associated with the XMEye (Hangzhou Xiongmai) ecosystem , this firmware acts as the master operating system managing video compilation, network security, and hardware processing.

Click to upload and execute the process across your local network. Important Safety Checks & Troubleshooting

By keeping your DVR or NVR updated to V4.02.r11, you ensure your property remains protected by the latest in surveillance technology and encryption standards.