Log in to your device's web UI (typically at 192.168.1.1 or 192.168.1.20 ). Navigate to the tab.
What is the of the Ubiquiti device you are trying to upgrade? What firmware version is it currently running?
If you used 1.255 as a recovery tool, you now need to upgrade to a safe, modern version (v6.3.2 or v8.7.11 for airMAX M).
Click on the specific Access Point (UAP) or Switch (USW) requiring the upgrade. Open the menu within the slide-out property panel. Expand the Manage sub-section. Locate the Custom Upgrade entry field.
