Firmware USG20
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Kikko
Posts: 2
Freshman Member
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Good morning, everyone,
I have found an old Firewall USG20 with firmware 3.30, I would like to use it for testing but I need to upgrade it at least to firmware version ZLD 4.20 to be able to use it. Support is no longer active and I can't find the 4.20 firmware download anywhere, could someone kindly give me a link or a solution.
Thanks
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All Replies
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Hi @Kikko
The ZyWALL USG20's latest firmware is version 3.30(BDQ.9)C0, and this model reached its End-of-Life (EOL) status in 2018. Unfortunately, as a result, there is no further support or new firmware development available for it.
For advanced protection and enhanced features, we recommend upgrading to a current firewall model. You can explore our latest offerings here:
.Kay
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