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NebulaFlex Switch XS3800 Series - V4.80 Patch 5 Firmware Release
Zyxel Switch XS3800 Series Release Note April 2026 ZyNOS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XS3800-28 - V4.80(ABML.5)C0 New Feature and Enhancements 1. Optimized system stability and synchronization with Nebula to enhance overall device connectivity and management…
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NebulaFlex Switch GS1920 Series - V5.00 Patch 3 Firmware Release
Zyxel Switch GS1920 Series Release Note April 2026 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1920-8HPv2 - V5.00(ABKZ.3)C0 Zyxel GS1920-24v2 - V5.00(ABMH.3)C0 Zyxel GS1920-24HPv2 - V5.00(ABMI.3)C0 Zyxel GS1920-48v2 - V5.00(ABMJ.3)C0 Zyxel GS1920-48HPv2 - V5.00(ABMK.3)C0 New…
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NebulaFlex Switch GS1915 Series - V4.70 Patch 7 Firmware Release
Zyxel Switch GS1915 Series Release Note April 2026 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1915-8 - V4.70(ACAP.7)C0 Zyxel GS1915-8EP - V4.70(ACAQ.7)C0 Zyxel GS1915-24E - V4.70(ACDR.7)C0 Zyxel GS1915-24EP - V4.70(ACDS.7)C0 New Feature and Enhancements 1. Optimized system…
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NebulaFlex Switch XMG2230 Series - V2.00 Patch 1 Firmware Release
Zyxel Switch XMG2230 Series Release Note March 2026 FaOS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XMG2230-28HP - V2.00(ACNN.1)C0 Zyxel XMG2230-52HP - V2.00(ACNO.1)C0 New Feature and Enhancements 1. Enlarge Multicast group from 1K to 4K. 2. Support querier flooding GSQ to all…
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NebulaFlex Switch XGS2220 Series - V5.00 Patch 1 Firmware Release
Zyxel Switch XGS2220 Series Release Note March 2026 ZyNOS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XGS2220-30 - V5.00(ABXN.1)C0 Zyxel XGS2220-30HP - V5.00(ABXO.1)C0 Zyxel XGS2220-30F - V5.00(ABYE.1)C0 Zyxel XGS2220-54 - V5.00(ABXP.1)C0 Zyxel XGS2220-54HP - V5.00(ABXQ.1)C0…
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NebulaFlex Switch GS1915 Series - V4.70 Patch 6 Firmware Release
Zyxel Switch GS1915 Series Release Note January 2026 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1915-8 - V4.70(ACAP.6)C0 Zyxel GS1915-8EP - V4.70(ACAQ.5)C0 Zyxel GS1915-24E - V4.70(ACDR.5)C0 Zyxel GS1915-24EP - V4.70(ACDS.6)C0 New Feature and Enhancements Bug Fix Bug fixCS1.…
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NebulaFlex Switch CX4800 Series - V2.00 Patch 0 Firmware Release
Zyxel Switch CX4800 Series Release Note January 2026 FA-OS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel CX4800-56F - V2.00(ACJN.0)C0 New Feature and Enhancements 1 [Standalone, Nebula] Support stacking capability for network resiliency up to 2 units. 2 [Standalone, Nebula]…
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NebulaFlex Switch GS1350 Series - V4.90 Patch 3 Firmware Release
Zyxel Switch GS1350 Series Release Note November 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1350-6HP - V4.90(ABPI.3)C0 Zyxel GS1350-12HP - V4.90(ABPJ.3)C0 Zyxel GS1350-18HP - V4.90(ABPK.3)C0 Zyxel GS1350-26HP - V4.90(ABPL.3)C0 New Feature and Enhancements 1. [Nebula…
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Switch GS1200v3 Series - V1.00 Patch 2 Firmware Release
Zyxel Switch GS1200v3 Series Release Note November 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1200-5v3 - V1.00(ACPS.2)C0 Zyxel GS1200-8v3 - V1.00(ACPT.2)C0 Zyxel GS1200-10v3 - V1.00(ACPW.2)C0 Zyxel GS1200-5HPv3 - V1.00(ACPU.2)C0 Zyxel GS1200-8HPv3 - V1.00(ACPV.2)C0 New…
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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…
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NebulaFlex Switch XGS1930 Series - V5.00 Patch 0 Firmware Release
Zyxel Switch XGS1930 Series Release Note July 2025 ZyNOS Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XGS1930-28HP - V5.00(ABHS.0)C0 Zyxel XGS1930-28 - V5.00(ABHT.0)C0 Zyxel XGS1930-52HP - V5.00(ABHV.0)C0 Zyxel XGS1930-52 - V5.00(ABHU.0)C0 New Feature and Enhancements 1.…
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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.…
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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…
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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…
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NebulaFlex Switch XGS1935 Series - V4.90 Patch 2 Firmware Release
Zyxel Switch XGS1935 Series Release Note September 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XGS1935-28HP - V4.90(ACJX.2)C0 Zyxel XGS1935-28 - V4.90(ACJW.2)C0 Zyxel XGS1935-52HP - V4.90(ACJZ.2)C0 Zyxel XGS1935-52 - V4.90(ACJY.2)C0 New Feature and Enhancements 1. [Nebula…
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Switch GS1900 Series - V2.90 Patch 1 Firmware Release
Zyxel Switch GS1900 Series Release Note March 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1900-8 - V2.90(AAHH.1)C0 Zyxel GS1900-8HP - V2.90(AAHI.1)C0 Zyxel GS1900-8HP(Rev. B1) - V2.90(AAHI.1)C0 Zyxel GS1900-10HP - V2.90(AAZI.1)C0 Zyxel GS1900-16 - V2.90(AAHJ.1)C0 Zyxel…
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NebulaFlex Switch GS1350 Series - V4.90 Patch 2 Firmware Release
Zyxel Switch GS1350 Series Release Note February 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel GS1350-6HP - V4.90(ABPI.2)C0 Zyxel GS1350-12HP - V4.90(ABPJ.2)C0 Zyxel GS1350-18HP - V4.90(ABPK.2)C0 Zyxel GS1350-26HP - V4.90(ABPL.2)C0 New Feature and Enhancements 1. [Nebula]…
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Switch XGS4600 Series - V4.70 Patch 5 Firmware Release
Zyxel Switch XGS4600 Series Release Note January 2025 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XGS4600-52F - V4.70(ABIK.5)C0 Zyxel XGS4600-32F - V4.70(ABBI.5)C0 Zyxel XGS4600-32 - V4.70(ABBH.5)C0 New Feature and Enhancements 1. Enhance security by forcing users to change the…
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NebulaFlex Switch XMG1915 Series - V4.80 Patch 3 Firmware Release
Zyxel Switch XMG1915 Series Release Note December 2024 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XMG1915-10E - V4.80(ACGO.3)C0 Zyxel XMG1915-10EP - V4.80(ACGP.3)C0 Zyxel XMG1915-18EP - V4.80(ACGQ.3)C0 New Feature and Enhancements 1. [Standalone] Enhance security by forcing…
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NebulaFlex Switch XMG1930 Series - V4.80 Patch 4 Firmware Release
Zyxel Switch XMG1930 Series Release Note September 2024 Firmware Version on all models (Click Hyperlink to download the firmware directly) Zyxel XMG1930-30HP - V4.80(ACAS.4)C0 Zyxel XMG1930-30 - V4.80(ACAR.4)C0 New Feature and Enhancements 1. [Standalone] Enhance security by forcing users to change the password after first…