UniFi Official USW Firmware 5.76.6


Active UniFier


  • [USW-Enterprise-8-PoE] Improve the uplink port detection.
  • [USW-Enterprise-8-PoE] Improve SFP speed detection.
  • [USW-Enterprise-8-PoE] Improve adoption stability.
  • [USW-Enterprise-48-PoE] Improve the time of link auto-negotiation.
  • [USW-Pro] Improve RADIUS server authentication communication.
  • [USW-Aggregation] Improve DAC reliability after reboot.
  • [USW-Aggregation] Improve LCM upgrade stability.
  • [USW] Improve DHCP reliability under heavy load.


  • [USW-Enterprise-8-PoE] Fix block user doesn't work.
  • [USW-Enterprise-8-PoE] Fix DHCP guard potentially failing.
  • [USW-Enterprise-8-PoE] Fix PoE power deliver issue on disabled ports after reboot.
  • [USW-Enterprise-8-PoE] Fix device disconnect issue due to improper TCP session checking.
  • [USW-Pro] Fix DHCP server reporting for invalid entries.
  • [US-8] Fix port 8 packets loss with a different port disabled.

Additional information​

  • Instead of using the manual links, you can also subscribe to your desired firmware channel, as described here.
  • Your device built-in display may turn black or unresponsive for ~10 minutes after firmware upgrades to upgrade LCM firmware.
  • All URLs use HTTPS. This assumes your device(s) are running 3.7.56 or later and that the device's date is properly set. Please change URLs to HTTP for device(s) running earlier firmware or if the date is incorrect (e.g. if device can't reach a NTP server).

Any and all feedback is welcome, including lettings us know about successful device upgrades. When reporting an issue, please ensure that you include the following information:

  • Application version.
  • Firmware version (previous and current).
  • Device model(s).
Download links
US-8/16/24/48/###W | md5sum | sha256sum
US-L2-POE | md5sum | sha256sum
US-16-XG | md5sum | sha256sum
US-XG-6POE/USW-Pro/USW-Pro-POE/USW-Enterprise-24-PoE | md5sum | sha256sum
USW-Pro-Aggregation/USW-Enterprise-48-PoE/USW-EnterpriseXG-24 | md5sum | sha256sum
USW-Aggregation | md5sum | sha256sum
USW-Flex-XG/USW-Enterprise-8-PoE | md5sum | sha256sum
USW-Industrial/USC-8 | md5sum | sha256sum
USW-Flex/USP-RPS | md5sum | sha256sum
USP-Pro-PDU | md5sum | sha256sum
USW-16/24/48-POE/USW-24-48/USW-Lite-8/16-POE/USW-Mission-Critical-EA | md5sum | sha256sum
USW-Multi | md5sum | sha256sum