SSH 192.168.1.20 (default)
Username ubnt
Password ubnt
firmware
https://www.ui.com/download/unifi/unifi-building-building-bridge
Should be
upgrade http://http://fw-download.ubnt.com/data/unifi-firmware/3134-UBB-2.1.3-2094415b625d477983f2a648b8
Manual Way
wget -O /tmp/fwupdate.bin http://fw-download.ubnt.com/data/unifi-firmware/3134-UBB-2.1.3-2094415b625d477983f2a648b8
syswrapper.sh upgrade2
Default IP
Edit the file /etc/udhcpc/udhcpc
UDHCPC_FALLBACK_IP="192.168.1.20"UDHCPC_FALLBACK_NETMASK="255.255.255.0"
Unifi L3 Adoption with DHCP Option 43 on pfSense, Mikrotik and others - tcpip.wtf