cd /tmp wget https://dl.ui.com/firmware/[product]/[firmware-file].bin
Upgrading your Ubiquiti (UBNT) hardware to a specific firmware version like Upgrade Firmware Version 1.255 Ubnt Download UPD
Log into your device’s web interface (typically at 192.168.1.20 or your custom management IP). cd /tmp wget https://dl
Hold the button while powering on the device until the LEDs flash in a pattern (usually amber/green) . Upgrade Firmware Version 1.255 Ubnt Download UPD
: Always save a backup of your current settings through the UniFi or UISP controller.
Verify Connectivity: Use a wired Ethernet connection rather than Wi-Fi to perform the update to avoid signal interference.
Note: If 1.255 does not appear publicly, it may be a beta release. Check https://community.ui.com for beta announcements.