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NebulaFlex Switch GS1920 Series - V5.00 Patch 2 Firmware Release
Zyxel Switch GS1920 Series Release Note October 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1920-8HPv2 - V5.00(ABKZ.2)C0 Zyxel GS1920-24v2 - V5.00(ABMH.2)C0 Zyxel GS1920-24HPv2 - V5.00(ABMI.2)C0 Zyxel GS1920-48v2 - V5.00(ABMJ.2)C0 Zyxel GS1920-48HPv2 - V5.00(ABMK.2)C0 New…
USG FLEX H Series - V1.36 Patch 0 Firmware Release
Zywall USG FLEX H Series Release Note October 2025 Firmware Version on all models * Please use the cloud firmware upgrade function to upgrade USG FLEX H Series USG FLEX H SeriesFirmware…
Zywall USG FLEX Series & ATP Series - V5.41Patch 0 Firmware Release
Zywall USG FLEX Series & ATP Series Release Note October 2025 Firmware Version on all models (Click the hyperlink to find the firmware file directly) FLEX SeriesDownload linkATP SeriesDownload…
[Release Note] Zyxel Access Point - V7.20 Patch 3 firmware has been released
BE Series Access Points Firmware Release Note October 2025 Overview This document provides firmware release information on Zyxel Access Points platforms, introduce new Access Points, new features and enhancements, bug fix, known issues and workarounds information for Release V7.20 Patch 3 C0. Supported Platforms (Click…
Join the IAP500BE Beta Program – Experience the Future of Industrial WiFi
We’re excited to announce the upcoming Beta Program for our new IAP500BE, an industrial-grade WiFi 7 access point built for industrial environments and smart infrastructure applications. This new model is designed to deliver robust performance scenarios from smart homes to industrial sites. What Makes This Beta Special…
NebulaFlex Switch XS3800 Series - V4.80 Patch 4 Firmware Release
Zyxel Switch XS3800 Series Release Note October 2025 ZyNOS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XS3800-28 - V4.80(ABML.4)C0 New Feature and Enhancements 1. [Nebula 19.10] Support Port advisor. 2. [Nebula 19.20] VLAN ingress check enabled by default. Bug Fix Bug fixCS1.…
[Release Note] Nebula Control Center - 19.20 software Release!
Zyxel Nebula Control Center Release Note Common NCC (Organization,Site-wide,etc.): * Rename Clone to Replicate and added support for Site-wide configurations by each product line such as AP, SW, FW and Site settings in Org-wide management use. (Nebula Pro Pack license is required) * Strengthened backup & restore…
Security appliance backup & restore adjustment in NCC 19.20 Release
Dear Nebula MSP users: NCC will receive its 19.20 update on October 20th. As part of this release, we are making changes to the [MSP – Backup & Restore] feature. Specifically: Create a new “Site” tab – where users can create configuration backup for each site (including configuration for all devices i.e., AP, Switch and…
NebulaFlex Switch GS2220 Series - V5.00 Patch 2 Firmware Release
Zyxel Switch GS2220 Series Release Note September 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS2220-10 - V5.00(ABRO.2)C0 Zyxel GS2220-10HP - V5.00(ABRP.2)C0 Zyxel GS2220-24 - V5.00(ABRQ.2)C0 Zyxel GS2220-28HP - V5.00(ABRR.2)C0 Zyxel GS2220-50 - V5.00(ABRS.2)C0 Zyxel…
Switch RGS200-12P - V2.00 Patch 1 Firmware Release
Zyxel Switch RGS200-12P Release Note September 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel RGS200-12P - V2.00(ABEP.1)C0 *Do not downgrade to old firmware version prior to v2.00(ABEP.0)C0, since the algorithm on the new firmware version will cause login inaccessible. New…

Latest Discussions

[USG Flex H] - Export to external services some usefull metrics
Hello everyone, I've a domotic house, in which I have Home Assistant as my central hub to manage curtrains, lights, networks devices, electrical plugs and so on. It's interesting to have some metrics on about the network performances, external WAN IP, how many devices are connected, and somethings help to manage the…
Remote AP limit usage via VPN on prem or Nebula
Hello everyone, I'm planning to enlarge a WiFi network. So I went inside that ORGs details and I see that not all the APs are able to be used remotely: So I checked which AP I can buy here: https://www.zyxel.com/global/en/products/endpoint-and-connectivity/connectivity-service-secure-wifi/compatible-appliances Anyway I see…
Normal Temperatures for XS1930-10
Hello, are these normal temperatures for a XS1930-10? The bottom of the switch is so hot (just inside the boundaries of the label), you cannot touch it; measuring 49.4C. The fan is working and the air it's exhausting isn't all that warm, nor is the rest of the chassis. The CPU sits around 5% so it's not working very hard.…
Zyxel Nebula SD VPN connection fails
Hello all, any ideas on what is going wrong? I have 3 Sites. Two Sites have a Flex200 router, 1 Site still has a NSG100 router (soon to be replaced). I have Hub/Spoke Nebula SD VPN connection. Flex 200 to Flex 200 is going well. Flex 200 to NSG 100 is not going well (Anymore, it used to work in the passed). The NSG 100…
On which services Nebula relies on?
In the latest hours AWS had some… intense hiccup that impacted… "few services" (on the right some of services affected in Italy). I think might be useful to know on which services Nebula relies on… if this can be shared. Zyxel is really kind to share any incident in a readable detail…
ETA for next ZLD 5.X firmware
If any… for the known and sharable information at this date.
ZyXel USG20-W - internet failing and VPN issue.
Hello, I am running quite old ZyXel USG20-W with latest firmware (upgraded today) and I started experiencing some issues couple days ago. We had internet connection outages while downloading big updates and so on. So we changed internet provider and swaped from 40Mb internet to 100Mb internet connection. We are now able to…
NWA130BE / Unable to configure band steering
Hi, I'm following up on a support ticket https://mysupport.zyxel.com/hc/requests/533878 - the technician suggested I followup here since they were unable to help me (and apparently have no way of engaging developers and Tier 3 support?!).. Anyway, I'm reaching out to get help with enabling band steering on my standalone…
USG 20w/50 Flex
Hi, please help to understand strange situation. Due to USG prepare for production, I did some settings in test environment via browser, set interfaces, dhcp bind, server & e.t.c, so no action might disrupt communication via cable. Suddenly I lost connection, no ping, no http. Was restart but no effect. Connect via console…
Why Nebula gray out after login? I can't click anything!
Please check if you are using an ad blocker or Brave browser. If so, it might block the Nebula cookie acceptance window. Please disable the ad blocker or brave shields for Nebula CC first.

Latest solutions

Normal Temperatures for XS1930-10
Hello, are these normal temperatures for a XS1930-10? The bottom of the switch is so hot (just inside the boundaries of the label), you cannot touch it; measuring 49.4C. The fan is working and the air it's exhausting isn't all that warm, nor is the rest of the chassis. The CPU sits around 5% so it's not working very hard.…
Zyxel Nebula SD VPN connection fails
Hello all, any ideas on what is going wrong? I have 3 Sites. Two Sites have a Flex200 router, 1 Site still has a NSG100 router (soon to be replaced). I have Hub/Spoke Nebula SD VPN connection. Flex 200 to Flex 200 is going well. Flex 200 to NSG 100 is not going well (Anymore, it used to work in the passed). The NSG 100…
On which services Nebula relies on?
In the latest hours AWS had some… intense hiccup that impacted… "few services" (on the right some of services affected in Italy). I think might be useful to know on which services Nebula relies on… if this can be shared. Zyxel is really kind to share any incident in a readable detail…
ETA for next ZLD 5.X firmware
If any… for the known and sharable information at this date.
ZyXel USG20-W - internet failing and VPN issue.
Hello, I am running quite old ZyXel USG20-W with latest firmware (upgraded today) and I started experiencing some issues couple days ago. We had internet connection outages while downloading big updates and so on. So we changed internet provider and swaped from 40Mb internet to 100Mb internet connection. We are now able to…
NWA130BE / Unable to configure band steering
Hi, I'm following up on a support ticket https://mysupport.zyxel.com/hc/requests/533878 - the technician suggested I followup here since they were unable to help me (and apparently have no way of engaging developers and Tier 3 support?!).. Anyway, I'm reaching out to get help with enabling band steering on my standalone…
USG 20w/50 Flex
Hi, please help to understand strange situation. Due to USG prepare for production, I did some settings in test environment via browser, set interfaces, dhcp bind, server & e.t.c, so no action might disrupt communication via cable. Suddenly I lost connection, no ping, no http. Was restart but no effect. Connect via console…
Controller AP Group Function
What function to do the AP groups serve on the Flex H AP controllers? Is roaming limited to APs within a group? I have several APs in a building and one of them serves an older b/g IOT device. I'd like to put this one in a separate group with the older functionality enabled (control rate <11 Mbps, and ax/ac/n station only…
802.1X authentication from Zyxel GS1900-8HP to Cisco ISE
Hello everyone, I’m trying to get 802.1X authentication working from a Zyxel GS1900-8HP (firmware V2.90(AAHI.1)) to a Cisco ISE RADIUS server (v3.3.0.430 patch 4). After several days of testing, I’m still completely unsuccessful. Every authentication attempt fails with the following error: Failure Reason: 5440 Endpoint…
Might be a big problem with FLEX700H SFP+ ports with V1.36 remote access VPN not being SNAT
Ooo I forgot enabled Two-factor Authentication😪 Dam thing had me going round in circles I think some indication on remote access VPN might help not make that mistake.

Unanswered Discussions

how do I setup different schedules on different SSID's from the same AP
ZYXEL Armor G5 NBG7815 Android APP Armor don't updatand and downlond
My new Phone system is Android 16 in google play updata Armor APP but The app cannot be found ZYXEL Armor G5 NBG7815 Android APP Armor don't updata and downlond How do I download updates?
Werkt een MQTT Broker-server op de NAS540
Kan ik een MQTT Broker-server laten draaien op een NAS 540 modelnr:542
NAS 540 is not showing in the ZyXEL NAS Starter Utility
When I apply the ZyXEL NAS Starter Utility the NAS540 thus not show . How do I correct that . I have 1 NSA325 v2 (is showing) and 1 NAS540 ( not showing )
issue with trooli router EX5601-T0
Hi is anyone able to help , moved to trooli from sky which i had access site up, tried setting up on the new router, there's a conflict with the access point to the router when you put the same ssid and password, if name something else they work fine any help would be great
LTE3202-M430
Dzień dobry, gdzie znajdę plik aktualizacyjny do LTE3202-M430?
Bug in API
When i use port profiles, and i use the: https://api.nebula.zyxel.com/v1/nebula/{siteId}/sw/{devId}/port-settings I retrieve the default settings of the port. (so trunk pvid 1 etc). while many ports are disabeled and are access ports etc. example: type access in nebula, trunk with api. when i set manually the settings,…
api flexh series
When will the flexh series added to the API? At the moment, there is nothing to retrieve through the api and this device.
Join the IAP500BE Beta Program – Experience the Future of Industrial WiFi
We’re excited to announce the upcoming Beta Program for our new IAP500BE, an industrial-grade WiFi 7 access point built for industrial environments and smart infrastructure applications. This new model is designed to deliver robust performance scenarios from smart homes to industrial sites. What Makes This Beta Special…
Trouble with EMG6726-B10A router
I'm trying to log into my EMG6726-B10A router. the default password listed on the back of the router has not been working, even after a full factory reset, including leaving it off for fifteen minutes, and resetting it without connecting it to the broader internet. i've entered the password and double checked it several…

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Stories

Let's learn how Zyxel users are building successful infrastructure and share your own success stories using Zyxel products!

Enhancing Operational Efficiency and WiFi Experience in Korean Dental Hospital
Dental clinic ——————————————————————————————————————————————————————— Overview The dental hospital relies on oral scanners for treatment and checkups. Initially, the hospital installed a single router positioned in the lobby’s reception area to facilitate wireless connectivity. However, this setup proved insufficient to…
Strengthening Surveillance Infrastructure at a District Court in West Bengal
District Court ——————————————————————————————————————————————————————— Overview Zyxel Networks, in collaboration with its partner Active Networks, undertook a significant project to upgrade the surveillance infrastructure at a district court in West Bengal. The goal was to implement a comprehensive CCTV system across…
Enhancing Surveillance Infrastructure at a Leading International Airport in Gujarat
International Airport in Gujarat ——————————————————————————————————————————————————————— Overview Situated in Gujarat, a significant airport undertook a major upgrade to its surveillance infrastructure to meet increasing security demands. The airport, experiencing growth in passenger and cargo traffic, recognized the…
Shifting into High Gear with Innovative Service Experiences Powered by Nebula
Schultes car dealership ——————————————————————————————————————————————————————— Overview In crafting the new showrooms for SEAT and CUPRA, the goal was to deliver a cutting-edge, visually stunning experience. By integrating advanced multimedia terminals and virtual car displays, the need for a robust, fast wireless network…
Streamlining Learning with Premium WiFi at the Corporate Training Center
Corporate Training Center ——————————————————————————————————————————————————————— Overview To meet the customer's demand for uninterrupted and secure wireless connections throughout the facility, Zyxel Networks collaborated with LG U+ to deliver a premium WiFi solution. The network was meticulously designed to ensure…
Premium WiFi Deployment for Seamless Network in Clothing Warehouse
Clothing Logistics Warehouse in Yeoju ——————————————————————————————————————————————————————— Overview The warehouse is an open-structured building where employees use handheld PDAs to manage inventory and coordinate stock flow. The operation depends heavily on wireless connectivity, and a stable, high-capacity network…
Keeping Payments Running Smoothly at the Swiss Electro Music Festival
Street Parade ——————————————————————————————————————————————————————— Overview The Street Parade in Zürich, Switzerland, is one of the largest and most iconic techno music events in the world. It required a highly reliable network to power its large-scale cashless payment system. To meet this need, DINACO, a full-service…
Empowering Broadcast Content Creation with Reliable, Secure Network
Broadcasting content production center ——————————————————————————————————————————————————————— Overview A newly built six-story broadcast content production center in Geumcheon-gu, Seoul, required a robust and efficient wired and wireless network infrastructure to support its extensive facilities, including a large studio…
Seamless High-Speed Networking Deployment in a Major Hospital in Ahmedabad
Hospital in Ahmedabad ——————————————————————————————————————————————————————— Overview In the heart of Ahmedabad, one of the city's most prominent hospitals sought to modernize its internal network to support data-heavy operations across its departments. Focusing on delivering efficient patient care and improving the…