3.9.8 Maintenance
Local Upgrade
![](../images/web-settings/settings/system/maintenance/maintenance2.png)
Step1.Click "Browse" and select the corresponding firmware you downloaded in your USB;
Step2. Check if you need to reset settings to factory default (except IP Address and User Information) after upgrade;
Step 3. Click "Upgrade" to confirm the upgrade.
Online Upgrade
![](../images/web-settings/settings/system/maintenance/maintenance3.png)
Step1.Click "Check" to confirm whether there is a new version;
If there is a new version, the Latest Version column will display corresponding information.
Step2. Click "Upgrade" to confirm the upgrade.
Import/Export Configuration
Import Configuration File: Select a .cfg file and then click "Restore" to import configuration to your NVR.
Export Configuration File: Select a folder and then click "Backup" to export configuration to USB device.
![](../images/web-settings/settings/system/maintenance/maintenance4.png)
Auto Reboot
![](../images/web-settings/settings/system/maintenance/maintenance6.png)
You can set day and time for reboot, and the NVR will reboot automatically at the time you set.
Day: Everyday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
Time: Adjustable range from 00:00:00 to 23:59:59.
Reset
All parameters can be reset to default settings by clicking "Reset".
![](../images/web-settings/settings/system/maintenance/maintenance7.png)
Diagnosis Information
Click "Browse" to select the path to save the diagnosis file on the USB device. And then click "Backup" to export the diagnosis file.
![](../images/web-settings/settings/system/maintenance/maintenance8.png)