Final UniFi OS - Express 4.x.x

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  • UniFi OS - Express 4.0.4

    https://community.ui.com/releases/UniFi…fb-ecfff2ad0ff2

    Overview

    UniFi OS 4.0.4 includes the improvements and bugfixes listed below.

    Bundled application

    Improvements

    • Added owner transfers to System logs.
    • Improved internet status checks.
    • Improved support file downloading.
    • Improved the stability of wireguard VPN when using FQDN as server address.
    • Improved the reliability of issuing static lease IP.
    • Improved topology reporting.
    • Improved memory allocation process.
    • Improved adoption resiliency.
    • Improved accuracy in detecting and reporting nearby devices.
    • Updated DPI signatures.
    • Don't change the timezone automatically after IP change.
    • Do not send 'ready to update' notification during backup restore.
    • Disabled weak MAC Algorithm support for ssh.

    Bugfixes

    • Fixed rare UniFi OS crash.
    • Fixed a potential default route missing issue.
    • Fixed firewall rule creation issue when multiple ports are specified.
    • Fixed issue that Internet MAC address couldn’t be set back to default one.
    • Fixed youtube history disappearing issue when Ad blocking is enabled.
    • Fixed issue that config couldn’t be applied correctly when DHCP server is disabled.
    • Fixed issue where MAC override doesn't work for some MAC address.
    • Fixed an issue where the screen would incorrectly show a Wireless Uplink when it has a wired uplink.
    • Fixed an issue where the screen would remain on even after disabling in settings.
    • Fixed the issue that the session disconnects unexpectedly due to smaller TCP timeout settings.

    Download links

    Express

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Express 4.0.9

    https://community.ui.com/releases/UniFi…d1-60ed21bd994f

    Overview

    UniFi OS 4.0.9 includes the improvements and bugfixes listed below.

    Bundled application

    Improvements

    • Improved Wireless Meshing resiliency.
    • Improved device stability.
    • Removed the ability to update applications outside of UniFi OS updates, they are now only bundled.

    Bugfixes

    • Fixed an issue where the device could go offline when using Network Override with meshing disabled.
    • Fixed an issue where certain logs were not rotated properly.
    • Fixed an issue where the display would incorrectly show a "plug-in cable" screen when meshing is disabled.
    • Fixed an issue where loops could be detected when using it as a Wired AP.
    • Fixed an issue where the IP address would show up as 0.0.0.0.

    Download links

    Express

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Express 4.0.12

    https://community.ui.com/releases/UniFi-OS-Express-4-0-12/ea24840e-7dce-44d5-89ff-e0bd55ea4bee

    Overview

    UniFi OS 4.0.12 includes the improvement listed below.


    Bundled application

    Improvements

    • Improved WiFi stability.

    Download links

    Express

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • JaXnPrivate November 22, 2025 at 12:41 PM

    Added the label Stable
  • UniFi OS - Express 4.0.13

    https://community.ui.com/releases/UniFi-OS-Express-4-0-13/27e4730e-5fb7-4303-9c0f-d2f572d861c2

    Overview

    UniFi OS 4.0.13 includes the improvement listed below.


    Bundled application

    Improvements

    • Updated the bundled application.

    Download links

    Express

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • Wichtiger Sicherheits-Patch

    UniFi OS - Express 4.0.14

    https://community.ui.com/releases/UniFi-OS-Express-4-0-14/f0b5dbcf-c3b9-4daa-8034-14d0900d07bd

    Overview

    UniFi OS 4.0.14 includes the improvement listed below.


    Bundled application

    Bugfixes

    Download links

    Expressf

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Express 4.0.15

    https://community.ui.com/releases/UniFi-OS-Express-4-0-15/8821b99b-bc3e-49cd-88bb-1a348f2b2a90

    Overview

    UniFi OS 4.0.15 includes the improvement listed below.


    Bundled application

    Improvements

    • Improved system stability.

    Download links

    Express

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

  • UniFi OS - Express 4.0.16

    https://community.ui.com/releases/UniFi-OS-Express-4-0-16/51a13c78-6dac-4b9b-bc3e-4895568d4269

    Overview

    UniFi OS 4.0.16 includes the improvement listed below.


    Bundled application

    Improvements

    • Improved system stability.

    Download links

    Express

    Mein Netzwerk

    WAN1: Vodafone Station im Bridge, Vodafone 1000/50

    WAN2: Fritzbox 7510, Telekom VDSL nur für Telefon Company Flex

    UDM Pro, USW Pro 24 Poe Gen2, US-24-250W, US-8, US-8-150W, US8-60W, USW-Flex, USW-Flex Mini, USW Ultra 210Watt, 5x UAP-AC-Pro, U7Pro, UAP AC M

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