Go to → Search “AirMax M 1.255 backup”. Many users host archives. Verify SHA256 before flashing.
: Log in to your device’s web interface via its IP address in a browser. : Go to the section, click ) and select your downloaded file. . Review the version comparison, then click to start the 3–7 minute process. Method 2: Manual Upgrade via SSH (Advanced) Upgrade Firmware Version 1.255 Ubnt Download UPD
You have three ways to perform the upgrade. Choose based on your network setup. Go to → Search “AirMax M 1
If the device is not adopting or the web interface is unavailable, you can upgrade via SSH using these steps: : Log in to your device’s web interface
: Before starting, ensure your device is connected via Ethernet. Back up your current configuration in the system settings to avoid data loss if the upgrade fails. Download the Firmware : Navigate to the Ubiquiti Software Downloads page .
Do not disconnect power during the process, as this can permanently damage (brick) the hardware . 2. SSH (Advanced)
Check the box: or “Keep Settings” (retain your current IP and SSID).