Unifi Ap Firmware Upgrade
Tory Lattin
I updated the Ubiquiti controller software today as I noticed there was a recent update. After updating the controller software, I also noticed that there was a firmware update for my UAP-AC Pro access point. I updated to the latest firmware version which is 6.6.65.
During the afternoon, the internet dropped out at least once an hour - or more specifically the wireless dropped out. When trying to upload the older firmware to my website using filezilla, I noticed the connection in filezilla kept erroring out. So I had to connect via cable to upload the older firmware in order to restore my ap to the older version.
According to this, -Access-Point-6-6-65/3df9b0c0-7e51-4843-93a2-276c2d63e10a?page=1, a lot of people are having issues with this firmware version. The next release which is still in beta testing seems to have fixed the issues. I will just wait until the next release is production ready and upgrade to that bypassing version 6.6.65. The older version works perfectly, so I see no pressing need to upgrade.
I have just updated to the very latest firmware 6.6.73. According to the release notes they have fixed the problems present in 6.6.65. I will update tomorrow if this release is safe to update for ac-uap pro access points which are only using 5.2ghz.
If you have a device that you've tried to set-inform from SSH, but it's not showing up for adoption in your UniFi controller, a common problem is that the device's firmware needs to be manually upgraded before it can be adopted.
Now from the SSH prompt, issue the upgrade command. Replace the firmware URL with the appropriate one for your device. The exact command will vary by model and firmware version. For the UAP AC Lite in our example, it is:
The device should reboot with the new firmware version which you can verify with the info command. Then you should be able to set-inform from there, or set-default then set-inform if you have any problems.
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Ubiquiti released version 1.11.0 of their firmware for the UDM late in 2021 and prior to starting back to work in anger this year I decided to upgrade. The actual firmware update went without a hitch and my internet connection was only offline for a few moments. However, I quickly discovered that I had no ability to manage any aspect of networking at all.
Not being the only person in the house, I would have been informed very quickly if there was an issue preventing internet access. After some quick tests I was able to verify that all networking and routing was working fine, it was just that I couldn't access the "Network" application to manage anything.
For those not familiar with the UDM-PRO, it's a rack mountable router that also manages other parts of the UniFi ecosystem (for example telephony, cameras etc). I only currently have it managing my network but it manages everything from WiFi to my homelab.
Each different use has a separate application that is used to manage and operate that function. As you can see in the screenshot above, I have only "Network" enabled. After the firmware update this was showing as Starting. The version was also showing as 6.5.54, which may have been related to the issue.
A restart of the UDM didn't address the issue so I opted to have a poke around the CLI to see if there was any further information. Fortunately I already had SSH enabled so getting in wasn't a problem.
I tried looking through the service's log files but couldn't really see what was going on. I did know however that version 6.5.55 of the Network application was available, I thought it might be worth trying to update it, which you can't do through the UI when it's not running. The following commands will do that:
Normally the firmware of your UniFi devices is updated through the console. But sometimes we will need to update the UniFi Firmware manually. For example, when you are unable to adopt an access point.
After you have started the firmware upgrade you will lose your SSH connection. The device will update the firmware and reboot once completed. It can take a couple of minutes until the upgrade is completed.
Just a quick post today to show you how update the firmware on your Ubiquiti Cloud Key G2 via SSH. I recently had to do this after an update created the dreaded "UniFi is having trouble with this direction..." within the web GUI so I needed to downgrade the firmware to make it functional again.
In my case we upgrade to the latest firmware 2.1.11 from 2.0.27. Why this happened I'm unsure as are alot of disgruntled Ubiquiti admins and you can read about that here... Before starting any of the following procedure, ensure you have a current backup of your device download to your PC in case something goes wrong.
First, go the Ubiquiti download site here... and find the firmware you wish to upgrade or downgrade to and click the download link and select "Copy URL" from the pop screen like the following example:
The device will automatically reboot once the firmware update procedure is complete. Sadly, this didn't rectify my problem and in actual fact, made the situation worse because the web GUI wouldn't come up at all now.
The device will reboot and you will need to go through the initial setup procedure when you access the web GUI. You can log on and configure your device and then restore from your backup that you created earlier.
Or if possible, could someone link me to the latest available firmware for this chipset. I am still not 100% with choosing the right firmware and would absolutely hate to brick these devices now as the configuration is not going to be fun to redo.
Ubiquiti UniFi AP and AP-LR Supported Versions NOTE for UAP-v2: As for July 2018, Ubiquiti seems to have blocked custom firmware installation possibility by using signatures on all 3.7 and later brand firmwares. As long as there is no brand pre-3.7...
Upgrade using Attended Sysupgrade The Attended SysUpgrade (ASU) facility allows an OpenWrt device to update to new firmware while preserving the packages and settings. This dramatically simplifies the upgrade process: just a couple clicks and a...
Upgrading packages (via the CLI opkg upgrade command or the LuCI Upgrade... button) can result in major problems. It is generally highly discouraged, unless you know what you are doing or if there is specific instruction to do so.
Also, on that note, it is really important to make sure that the correct firmware image is installed... it's easy to accidentally install the UAP version when the UAP-AC version is required (or vice versa).
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