Patches transport layer vulnerabilities by deprecating weak cipher suites within the management interface.
Fixes memory leak bugs that cause unexpected device reboots under heavy traffic loads.
Corrects minor reporting bugs inside the local management dashboard interface. Pre-Upgrade Checklist
Note your existing firmware version, active device uptimes, and current resource utilization metrics. Section 1: Finding and Downloading the Official Firmware Upgrade Firmware Version 1.255 Ubnt -UPD- Download
Launch a web browser and authenticate into the UBNT device management page using HTTPS.
If the upgrade fails or the device becomes unresponsive, you may need to use TFTP Recovery Mode Problems firmware upgrade AP-LR - Ubiquiti Community
Upgrading your Ubiquiti (UI) network infrastructure equipment with the latest firmware ensures optimal performance, patches critical security vulnerabilities, and introduces new system capabilities. If you are looking to deploy , this step-by-step technical guide provides the official deployment pathways, download verification steps, and troubleshooting workflows for a seamless update. Prerequisites Before Upgrading If you are looking to deploy , this
Protects against newly discovered vulnerabilities.
tftp -i 192.168.1.20 put firmware.bin
Ensure your UniFi Controller is updated to the latest version, as older controllers may not recognize new firmware versions. Conclusion To download and install this version
If the device becomes completely unresponsive and the status LEDs blink alternating patterns, use the hardware reset button to trigger . This allows you to reload the base factory firmware image directly over an internal ethernet connection.
Always download a backup of your device’s current configuration.
To download and install this version, use the following official resources: : Visit the Ubiquiti Software Downloads page and navigate to the UniFi Access Go to product viewer dialog for this item. or UniFi Talk section.