The device will download, install, and reboot automatically. If the device won't boot, use the TFTP recovery mode: Software Downloads - Ubiquiti
Note: If settings fail to apply, manually reconfigure the device. The 1.255 firmware has a slightly different NVRAM structure, so some legacy scripts may need updating. Upgrade Firmware Version 1.255 Ubnt -FREE- Download
The pursuit of a FREE download of Firmware Version 1.255 led Alex through various forums and community discussions. Many users had similar needs and were sharing links and advice on how to obtain the firmware. However, caution was necessary; downloading from unverified sources could pose significant security risks. A few threads mentioned a now-defunct repository that had hosted older firmware versions, including 1.255. The link provided was dead, but it sparked an idea. The device will download, install, and reboot automatically
Yes, but only via TFTP or the Web UI (if downgrade is allowed). Some later 1.2.x and 1.3.x versions prevent downgrading to very old builds for security reasons. The pursuit of a FREE download of Firmware Version 1
Always verify the hash (MD5/SHA256) of the firmware file against the official release notes if downloading from secondary sources. Ideally, use the official Ubiquiti Download Center to retrieve the specific build required.