Ubiquiti officially released airOS for airMAX devices, but direct download links for this specific older version are often removed from the primary Ubiquiti Downloads page . Download Sources
Downgrading to XW.v5.5.6 can be a "life-saver" for restoring specialized network configurations, but always remember that using older firmware may leave your device vulnerable to security exploits fixed in later releases. Ubnt Firmware Xw.v5.5.6 Download
https://dl.ui.com/firmwares/ However, direct navigation is restricted. Use the exact path: Ubiquiti officially released airOS for airMAX devices, but