User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 092017NA  197 
After finishing importing configuration files, the device will reboot automatically. 
16.5 Upgrading System 
Purpose 
The firmware on your DVR can be upgraded by a local backup device or remote FTP server. 
16.5.1  Upgrading by Local Backup Device 
1.  Connect your DVR to a local backup device with the updated firmware 
file. 
2.  Go to Menu > Maintenance > Upgrade > Local Upgrade. 
Figure 276, Local Upgrade Interface 
3.  Select the update file from the backup device. 
4.  Click Upgrade to start upgrading. 
5.  After upgrading is done, reboot the DVR to activate the new firmware. 
16.5.2  Upgrading by FTP 
Before You Start 
Configure PC (running FTP server) and DVR to the same LAN. Run third-party 
TFTP software on the PC and copy the firmware to TFTP root directory. 
1.  Go to Menu > Maintenance > Upgrade > FTP. 










