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How to Update Firmware Automatically from a USB Storage
This example illustrates how to update the ZyWALL/USG’s firmware automatically from
a USB storage. With this feature, it is more efficient for users to upgrade the firmware
for numerous devices without Internet or GUI access. The user can also downgrade
the firmware by using this feature.
Figure 1 Automatic USB Firmware Upgrade
Automatic USB Firmware Upgrade Flow
1 Enable the USB firmware upgrade function by CLI command.
2 Save the firmware on the USB.
3 Plug the USB into the device.
4 The device checks running partition for the model ID and the firmware version.
5 Upgrade the firmware to the standby partition and then the device reboots.
Note: This feature does not support Device HA Pro firmware auto upgrade to passive
devices. Do not use USB firmware upgrade on the devices with Device HA Pro function
activated. This example was tested using the USG210 (Firmware Version: ZLD 4.25).
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