The V4.03.R11 firmware update is a significant system refresh for Hisilicon SoC-based DVRs and NVRs, designed to enhance both security and performance. This specific version is compatible with a wide range of hardware, including 4, 8, 16, and 32-channel models often found under various brand names in the analog and IP surveillance market. Why This Update Matters
Before updating your DVR firmware, make sure to: v403r11 dvr firmware update top