This is the "magic" that lets you store weeks of high-definition video on a small hard drive.
This indicates a hardware failure of the onboard NAND flash. You need professional repair or board replacement. xvr1b04hi firmware
Older firmware ( < V4.000.0000000.2.R ) has a hidden account: This is the "magic" that lets you store
After the update finishes, manually reboot the device once more to ensure all services start correctly. xvr1b04hi firmware
Copy the file to a FAT32-formatted USB drive and plug it into the XVR.