[FIRMWARE] 3.9.48.9248 for UAP/USW has been released | Stable Candidate

[UniFi]

We've prepared firmware 3.9.48.9248. Please see below for the changelog and links to the firmware binaries. This is initially being released as stable candidate, which means it will only be available via this blog post. It may move to stable status after some time.

Firmware changes since 3.9.45:

• [UAPG3] Fix bandsteering when using channel 144.
• [UAPG3] Fix IP endianness issue.
• [UAPG3] Fix DPI blocking support.
• [nanoHD/IW-HD] Update 802.11k scan policy.
• [UAP] Fix throughput drop (reported HERE).
• [UAP] Fix a bug which allowed fast roaming to be enabled on SSIDs that are either open or using WEP.
• [USW] Fix switch LAG link failed bug.
• [HW] Fix a management bug.
• [HW] Miscellaneous bug fixes and improvements.

Firmware 3.9.45 was a stable candidate release. You can find its changelog HERE. If 3.9.48 moves to stable status then the changelog will be updated to reflect the changes since the last stable release.

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 | binary | md5sum | sha256sum
• UAP-HD/SHD/XG/BaseStationXG | binary | md5sum | sha256sum ****See important note above****
• UAP-nanoHD/IW-HD | binary | md5sum | sha256sum
• UAP, UAP-LR, UAP-OD, UAP-OD5 | binary | md5sum | sha256sum
• UAP-v2, UAP-LR-v2 | binary | md5sum | sha256sum
• UAP-IW | binary | md5sum | sha256sum
• UAP-Pro | binary | md5sum | sha256sum
• UAP-OD+ | binary | md5sum | sha256sum
• USW | binary | md5sum | sha256sum
• US-L2-POE | binary | md5sum | sha256sum
• US-16-XG | binary | md5sum | sha256sum
• US-XG-6POE | binary | md5sum | sha256sum
• USW-Multi | binary | md5sum | sha256sum*

*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.

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:

1. Controller version.
2. Firmware version (previous and current).
3. Device model(s).

Links are all HTTPS. This assumes your device(s) are currently running at least 3.7.51, and that the device's date is properly set (i.e. it can reach a NTP server). If you encounter issues with the upgrade, or your device isn't on a minimum supported firmware, then you can change the link to HTTP before performing the upgrade.


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