The weekly version includes higher bug fixes than the Release version but could be more unstable due to not completing the test. The version gets full Support from Zyxel Support. If you were in touch with Zyxel Support or know how the Weekly version concept works, you could install them on your device.
Release Notes (Login Required)
If you find a non-working link, please feel free to comment under this article, and we will fix it.
*[4.73 devices are EOL - we support them with Weekly until December 2023]
[For license Service and Support, check out this article]
| Device | Code |
Version 5.39 Patch 2 WK10 March 31 |
Version 4.73 Patch 1 WK36 May 07* |
Version 1.32 Patch 3 WK32 June 24 |
| USG Flex H Series 1.32 Patch 2 WK22 | ||||
| USG FLEX 50H | ACLO | Contact us for the latest up-to-date version | ||
| USG FLEX 50HP | ACLP | Contact us for the latest up-to-date version | ||
| USG FLEX 100H | ABXF | Contact us for the latest up-to-date version | ||
| USG FLEX 100HP | ACII | Contact us for the latest up-to-date version | ||
| USG FLEX 200H | ABWV | Contact us for the latest up-to-date version | ||
| USG FLEX 200HP | ABXE | Contact us for the latest up-to-date version | ||
| USG FLEX 500H | ABZH | Contact us for the latest up-to-date version | ||
| USG FLEX 700H | ABZI | Contact us for the latest up-to-date version | ||
| USG Flex Series 5.39 Patch 2 WK10 | ||||
| USG FLEX 50 | ABAQ | Download | ||
| USG FLEX 50W | ABAR | Download | ||
| USG FLEX 50AX | ACGB | Download | ||
| USG FLEX 100 | ABUH | Download | ||
| USG FLEX 100W | ABWC | Download | ||
| USG FLEX 100AX | ACFN | Download | ||
| USG FLEX 200 | ABUI | Download | ||
| USG FLEX 500 | ABUJ | Download | ||
| USG FLEX 700 | ABWD | Download | ||
| ATP Series 5.39 Patch 2 WK10 | ||||
| ATP100 | ABPS | Download | ||
| ATP100W | ABRW | Download | ||
| ATP200 | ABFW | Download | ||
| ATP500 | ABFU | Download | ||
| ATP700 | ABTJ | Download | ||
| ATP800 | ABIQ | Download | ||
| USG Series 5.39 Patch 2 WK10 |
USG Series 4.73 Patch 1 WK36 |
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| USG20-VPN | ABAQ | Download | ||
| USG20W-VPN | ABAR | Download | ||
| USG40 | AALA | Download | ||
| USG40W | AALB | Download | ||
| USG60 | AAKY | Download | ||
| USG60W | AAKZ | Download | ||
| USG110 | AAPH | Download | ||
| USG210 | AAPI | Download | ||
| USG310 | AAPJ | Download | ||
| USG1100 | AAPK | Download | ||
| USG1900 | AAPL | Download | ||
| USG2200 | ABAE | Download | ||
| ZyWALL Series 4.73 Patch 1 WK36 | ||||
| ZyWALL110 | AAAA | Download | ||
| ZyWALL310 | AAAB | Download | ||
| ZyWALL1100 | AAAC | Download | ||
| VPN Series 5.37 Patch 2 WK31 | ||||
| VPN50 | ABHL | Download | ||
| VPN100 | ABFV | Download | ||
| VPN300 | ABFC | Download | ||
| VPN1000 | ABIP | Download | ||
If you are looking for a generic Release Firmware Version, please use the Online Firmware Upgrade feature within the device or check from here: Security Products - Firmware History Overview (FLEX, ATP, USG, VPN, ZYWALL)
For all other products, User Guides, or Datasheets, you can find them in our Download Library.