ZyXEL Communications GS1920 User Handbook Manual page 12

2. To upgrade firmware image, users can select to upload firmware image to
image 1 or 2 and click upgrade to activate the process. Firmware upgrades
are only applied after a reboot. To reboot, go to Management > Maintenance
> Reboot System and select which configuration will switch use when it restart.
Figure 2 Management > Maintenance > Firmware Upgrade
3. Users can select which boot image 1 or 2 to use. Then click Apply to save the
settings into the memory of the switch. The saved settings will take effect when
the switch reboot.
Figure 3 Management > Maintenance > Firmware Upgrade
Verify
1. In this screen to check Device Information >Firmware Version
Figure 4 Basic Setting > System Info.
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