You can upgrade the system software through the web system.
1.Choose Maintenance > System Maintenance > Upgrade to access the Upgrade page.
2.Click and select the required upgrade file.
3.Click Upload to upload the upgrade file.
4.Click Upgrade to upgrade the selected device.
The system displays a dialog box indicating that the device will restart and asking whether you want to save the configuration.
5.Click Yes. The device will restart automatically. The web system cannot be used during the restart. After the device restarts, re-log in to the web system.