NebulaFlex Switch XS1930 Series - V4.80 Patch 5 Firmware Release

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Zyxel_Melen
Zyxel_Melen Posts: 4,853 image  Zyxel Employee
Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate

Zyxel Switch XS1930 Series Release Note 

June 2026

ZyNOS Firmware Version on all models

(Click Hyperlink to download the firmware directly)

Zyxel XS1930-10 - V4.80(ABQE.5)C0

Zyxel XS1930-12HP - V4.80(ABQF.5)C0

Zyxel XS1930-12F - V4.80(ABZV.5)C0

New Feature and Enhancements

1. 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 fixC>S
1. [eITS # 250100440] DNS query fail cause cloud disconnect.V-
2. [eITS # 250302409] Fixed an issue that cannot connect to cloud due to uplink device MTU size too smallVV
3. [eITS # 241200595] Fixed the issue that old MAC will not be deleted and be static after IP MAC moveVV
4. [eITS # 250601371] Fixed an issue where ports Bug fix Nebula Standalone might fail to link up.VV
5. [eITS # 240301652] Fixed an issue where copper ports could become unresponsive after an ESD event.VV
6. [eITS # 251100621] Fixed an incorrect display issue in the IPv6 prefix setup due to an Index ID and interface mismatch.-V
7. [eITS # 251200652] Fixed a failure to configure media type.V-
8. [eITS # 240801706] Fixed an issue where end devices failed to obtain a DHCP IP address when IP Source Guard was enabled with static binding entries that matched the entries of DHCP static table on the DHCP server.VV

Please refer to the Download Link for more details.

Zyxel Melen