Official firmware should always be downloaded directly from the manufacturer to avoid bricking the device. Common portals for this device class include: Hikvision Download Center LTS Security Support Amcrest Firmware Center To provide a more precise report, could you clarify: The printed on the front of the unit?
Without correct firmware, the DVRG008CE may fail to trip under fault conditions or generate false alarms—both potentially catastrophic. dvrg008ce firmware full