NebulaFlex Switch GS1920 Series - V5.00 Patch 3 Firmware Release

Zyxel_Melen

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 Feature and Enhancements

1. Optimized system stability and synchronization with Nebula to enhance overall device connectivity and management reliability.

Bug Fix

C=Cloud mode, S=Standalone mode

Bug fix

C

S

Please refer to the Download Link for more details.