Are you looking to boost the stability, security, and feature set of your surveillance system? You’ve come to the right place. We are proud to provide to the v402r11 firmware — a unified, high-performance update designed specifically for hybrid recorders running both H.264 and H.265 compression standards.
A: This usually means the firmware was incompatible. You may need to perform a hard factory reset or re-flash the correct firmware using specialized software (like ConfigTool) or by directly flashing the EEPROM chip. v402r11 h264 h265 dvr nvr firmware download exclusive