If you select “FTP” mode, you will enter into “FTP Upgrade” menu:
Input the ftp server IP and press [ENTER] key. The DVR will connect with
FTP server through network and download the firmware file.
If you select “USB” mode, please make sure you connect one USB flash
memory with DVR and the firmware file is in it’s root directory.
Reboot after successfully upgrading, the system will use the new
firmware.
6.4 Hard Disk Management