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What Can Go Wrong?
1
The USB storage must use the FAT16, FAT32, EXT2, or EXT3 file system.
Otherwise, it may not be detected by the ZyWALL/USG.
2
The device only checks the firmware under the specific folder.
Therefore, make sure the firmware is saved in the correct folder under
the root directory: \ProductName_dir\firmware. For example:
\vpn300_dir\firmware
3
If there are multiple firmware files in the firmware folder of one model,
the device only checks the first one in order.
Multiple firmware files of one model in the same folder is not supported.
4
Make sure the product model ID of the USB firmware is compatible with
the device. The device writes logs on the console and device log if the
firmware model ID is incompatible.
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