--- Upgrade Firmware Version 1-255 Ubnt //free\\ Download May 2026

Get-FileHash XM.v1.255.140929.1650.bin -Algorithm SHA256 On Linux/macOS:

download a file that just says "firmware.bin" – legitimate builds have version numbers in the filename. Step 3 – Official Download Sources (As of 2025) | Source | URL | Notes | |--------|-----|-------| | Ubiquiti Community (requires login) | community.ui.com/releases | Search "AirOS v1.255" | | Ubiquiti Archive (legacy) | dl.ubnt.com/firmwares | Direct link structure: dl.ubnt.com/firmwares/XM/v1.255/ | | OpenWRT mirrors (for recovery) | downloads.openwrt.org/releases/ | Contains UBNT factory images | --- Upgrade Firmware Version 1-255 Ubnt Download

wget https://dl.ubnt.com/firmwares/XM/v1.255/XM.v1.255.140929.1650.bin After download, compute the SHA256 checksum. On Windows (PowerShell): Get-FileHash XM

Use wget or curl to download from the command line to avoid browser-based redirects: --- Upgrade Firmware Version 1-255 Ubnt Download