Download the firmware file matching both the V262R07 version and your specific mainboard model number.
The system should automatically detect the file on your USB drive. Select the file and click or Upgrade .
Use a thumb drive (16GB or smaller is best) formatted to FAT32 .
The firmware is a generic firmware version often found in 4, 8, or 16-channel H.264 network DVR systems. These systems are commonly rebranded under various names, making firmware identification tricky. Why update to v262r07?
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: A progress bar will appear. The process takes roughly 3 to 5 minutes. Crucial: Never turn off the power or unplug the USB during this sequence.
Unplug all camera coaxial cables and disconnect the internal hard drive power cable to reduce power draw.
