Dahua DHI-NVR5224-24P-4KS2 User Manual page 440

5.10.5.12 Upgrade
CAUTION

During the upgrade process, do not unplug the power cable, network cable, or shutdown the device.

Improper upgrade program may result in device malfunction!
There are two upgrade modes: file upgrade and online upgrade.
5.10.5.12.1.1 File Upgrade
The upgrade interface is shown as in Figure 5-144.
Please select the upgrade file and then click the update button to begin update. Please note the file name
shall be as *.bin.
5.10.5.12.1.2 Online Upgrade
When the DVR is online, you can use the online upgrade to update the firmware.
Note
Make sure the DVR has properly connected to the network.
Version Detection
The version detection includes auto detection and manual detection. It displays current system version
and application released date.

Enable auto detection, DVR interactive with the cloud to detect there is new version available or not.

Click manual detection, it is to view the latest new version on the cloud.
 If current version is the latest one, there is prompt "It is the latest version".

If DVR detects there is new version available, system displays new version information such as
released date and corresponding release note.
Figure 5-143
Figure 5-144
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