Locate version 1.255 (or the latest available stable release) and click Download .
The upload fails immediately. Fix: Re-download the file; the initial download was corrupted. Upgrade Firmware Version 1.255 Ubnt -UPD- Download
Click on the specific Ubiquiti device you intend to upgrade. Open the panel on the right side of the screen. Locate version 1
Click the System tab, usually located at the bottom left of the screen. Upgrade Firmware Version 1.255 Ubnt -UPD- Download
If you receive this error during upload, you have likely downloaded a file intended for a different hardware revision. Double-check your exact model name (e.g., WA vs. XC board models for airMAX gear) and re-download the correct package.
