System Update; Upgrading File - Dahua VR21-8P-4KS2 Series User Manual

Step 4 Restart the Device.
After the Device restarts, the settings have been restored to the factory default.

5.19.4.4 System Update

5.19.4.4.1 Upgrading File

Procedure
Step 1 Insert a USB storage device containing the upgrade files into the USB port of the Device.
Step 2 Select Main Menu > MAINTAIN > Manager > Update
Click Update.
Step 3
Figure 5-284 Reset button
Figure 5-285 Update
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