After reboot:
ssh ubnt@<IP>
cat /etc/version
# Should show e.g., "airOS v6.3.2"
Check wireless functionality:
iwconfig ath0
Log into your device via web browser (default IP: 192.168.1.20). Navigate to the System tab. Write down your current version (e.g., XM.v6.0.8). If you are already on a version greater than 1.2xx, this update may be a downgrade. Upgrade Firmware Version 1.255 Ubnt -UPD- Download
Check your device model:
Verify current firmware:
# via SSH
cat /etc/version
# or web UI -> System tab