zyxel usg20-vpn firmware upgrade path
Hello, I want to ask if there is the best path to upgrade, or can I upgrade directly?
My current version is 4.16 and I need to upgrade to 5.36
I tried to upgrade directly, but my original account and password could not be entered
Can't get in even with the default account and password
I would like to ask everyone who has encountered upgrade problems, thank you
Accepted Solution
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Hi @rv3452
If the original firmware version 4.16 is official version 4.16(ABAQ.0)C0, it can be upgraded directly to 5.36(ABAQ.1)C0. We suggest you save the startup-config.conf before performing firmware upgrade.
If you lost the login username and password, follow this guide to backup the configuration file.
How to backup running configuration if forgot password?
Click this link to start: https://bit.ly/3R2Wx52
Emily0
Zyxel EmployeeAll Replies
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I have solved my problem, thank you
0
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