Tools * WiFiman. * UISP. * UniFi Design Center. * UISP Design Center. * Downloads. Software Downloads - Ubiquiti
You downloaded a version for the wrong chipset (e.g., trying to put AC firmware on an M-series device). Solution: Redownload the file specifically for AirMax M (AR934x) , not AirMax AC. Upgrade Firmware Version 1.255 Ubnt -FREE- Download
Upgrading your firmware is a critical task for maintaining network security and stability. However, please note that "Version 1.255" does not appear to be a standard release for modern UniFi or airMAX hardware as of April 2026. Current versions typically follow different numbering schemes, such as v8.5.21 for UniFi firmware or v8.7.x for airMAX AC devices. Tools * WiFiman