zyxel usg20-vpn firmware upgrade path

Options
rv3452
rv3452 Posts: 5
First Comment
edited May 2023 in Security

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

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,296  Zyxel Employee
    First Anniversary 10 Comments Friend Collector First Answer
    Answer ✓
    Options

    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?

All Replies

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,296  Zyxel Employee
    First Anniversary 10 Comments Friend Collector First Answer
    Answer ✓
    Options

    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?

  • rv3452
    rv3452 Posts: 5
    First Comment
    Options

    I have solved my problem, thank you


Security Highlight