USG 20 VPN

Jose
Jose Posts: 3
Friend Collector First Comment
edited April 2021 in Security
I have a USG 20 - Firmware 3.30 (BDQ.9) . I need to upgrade but it always say it's invalid. I've tried with 4.20 and 4.16 mas it's de same.
How can I upgrade the firmware?
Thanks

All Replies

  • jasailafan
    jasailafan Posts: 191  Master Member
    First Anniversary 10 Comments Friend Collector First Answer
    ZyWALL USG 20 and USG20-VPN are different models.
    The latest firmware for USG 20 is 3.30 (BDQ.9). 
    That's why it is impossible to upgrade USG 20 to 4.20.

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