If your device is stuck in a boot loop or has corrupted firmware, use TFTP:
Locate and click Download . Accept the terms to receive the .bin or .tar file. Method 2: Upgrading via SSH (Advanced)
Under , click Browse or Choose File .
When you search for , you will encounter the term UPD . This is not a typo or a generic file extension—it is Ubiquiti’s proprietary firmware image format.
is a common administrative task, particularly for legacy airMAX or satellite terminal devices. Firmware Version 1.255: Key Considerations Version Context Upgrade Firmware Version 1.255 Ubnt Download UPD
After reboot, check the firmware version in the system info panel to confirm 1.255 is installed.
Restore configuration from backup.
Upgrading firmware version for Ubiquiti (UBNT) devices typically involves using the official Ubiquiti Download Center or advanced manual methods like SSH and TFTP for older or unresponsive hardware. Official Update Methods