Download Firmware Ubiquiti UniFi UAP/USW 3.9.42.9152

Ubiquiti has released new firmware for its wireless products that fall in the UAP and USW series. This again addresses several points. The version number is pinned to 3.9.42.9152, and includes the following announcement and list of changes:

Firmware changes since 3.9.40:

• [nanoHD/IW-HD] Add VHT160 support for RF Environment scanning.
• [nanoHD/IW-HD] Fix hidden SSID provisioning.
• [nanoHD/IW-HD] Fix reported signal of neighboring APs (reported Lord†
• [nanoHD/IW-HD] Fix an issue with TX power provisioning.
• [nanoHD/IW-HD] Performance and stability improvements.
• [IW-HD] Fix DVLAN issue.
• [USW] Fix RADIUS server provisioning.
• [HW] Fix inform URL caching issue.
• [HW] Various bug fixes and improvements.
• [SEC] Security improvement. It’s a low/medium threat which was discovered internally.

NOTE: You may start to see EVT_AP_RestartProc events in the controller log. If you see these, please report if there is anything specifically in your setup that triggers the events. The processes restarting is not new, but the reporting of the restarting is, and we are using these reports to clean up these issues.

IMPORTANT NOTE: In preparation for an upcoming code merge, we’ve updated the minimum firmware version to 3.9.42 for certain hardware. That means if you flash this firmware onto any HD/SHD/XG/BaseStationXG then you will not be able to downgrade to firmware prior to 3.9.42.

Download:

• UAP-AC-Lite/LR/Pro/EDU/M/M-PRO/IW/IW-Pro
• UAP-HD/SHD/XG/BaseStationXG
• UAP-nanoHD/IW-HD
• UAP, UAP-LR, UAP-OD, UAP-OD5
• UAP-v2, UAP-LR-v2
• UAP-IW
• UAP-Pro
• UAP-OD+
• USW
• US-L2-POE
• US-16-XG
• USW-Multi†

* This firmware is meant to be a one file solution that works with all models of UniFi switch. You can use it when upgrading from 3.9.40+ only. It will not work when upgrading from earlier releases.